algebra 2 word problems

At this point we don’t know the total number of tickets. The sum of the kids in the class is 28. From 1–10 tourists the fee is \(1\times 1000=\$1000\), for 11–20 tourists, the fee is \(2\times 2000=\$2000\), and so on.

Try the given examples, or type in your own Makes sense! you. \(\begin{array}{c}2x+3x=270;\,\,\,\,\,\,x=54\\2\times 54=108\,\,\,\text{oz}\text{.

But... trust me, there are real situations where you will use your Since we know the ratio of X and Y is 3:11 in solution Z, we can find the ratio multiplier, and find how much of solutions X and Y are in Z. Then we know that she has \(10-Q\) dimes (turn into easier problem – if she has, \(\begin{align}5J+10(10-J)&=80\\5J+100-10J&=80\\-5J&=-20\\J&=4\end{align}\), \(\begin{align}.2T+.6\left( {80-T} \right)&=24\\.2T+48-.6T&=24\\-.4T&=-24\\T&=60\end{align}\), Remember always that \(\text{Distance}=\text{Rate}\,\times \,\text{Time}\), \(\begin{align}3\left( {x-20} \right)-1.5x&=15\\3x-60-1.5x&=15\\1.5x&=75\\x&=50\end{align}\), First, we’ll let \(x=.4\overline{{25}}\).

How many years …, Price of 3 pens without discount Not rated yetA stationery store sells a dozen ballpoints pens for $3.84, which represents a 20% discount from the price charged when a dozen pens are bought individually. Now let’s do some problems that use some of the translations above. 4 + 1 = 9. How many pounds of each should be used to make a mixture of 10 pounds of candy (both kinds) that sells for $80? \(x\le y\le z\) (inclusive)    \(x

We can do the same for solution Y, which contains ingredients a and b in a ratio of 1:2.

tickets. how many points did hunter score in game one? \(\displaystyle \frac{4}{5}\) of a number is less than 2 less than the same number. an expression is without an equal sign. Do you see why we did this? Pretty cool!

The final is worth two test grades. Let x% be the amount …, Dr. Abdullah Kamran Soomro Not rated yetPROBLEM Thank you. Let y be the second number x …

5 times a number, and 2 times that same number must equal 28. What is the minimum number of hours Erica must study in order to be eligible for her work-study program? The translation is pretty straight forward; note that we had to turn 20% into a decimal (Remember: we need to get rid of the % – we’re afraid of it – so we move the decimal 2 places away from it).

What is the number? The sandwich costs $1.40 more than the apple. Below are more complicated algebra word problems Example #6: The ratio of two numbers is 5 to 1. A ratio is a comparison of two numbers; a ratio of 5 to 2 (also written 5:2 or \(\displaystyle \frac{5}{2}\)) means you have 5 boys for every 2 girls in your class. Choose an expert and meet online. For example, if you had test 1 (say, an 89) counting 20% of your grade, test 2 (say, an 80) counting 40% of your grade, and test 3 (say, a 78) counting 40% of your grade, you will take the weighted average as in the formula below. Let “\(x\)” be the number, and translate the problem word-for-word: \(\displaystyle \frac{4}{5}x

√. Let’s put this in a chart again – it’s not too bad.

The rate does not change; The bowling alley costs, How many students would need to attend so each student would pay at most, The fee for hiring a tour guide to explore Italy is, More Word Problems using Rational Functions, \(\displaystyle x\div y\,\,\,\,\,\text{or }\,\,\,\frac{x}{y}\), \(\displaystyle x\div y\,\,\,\,\,\text{or}\,\,\,\,\frac{x}{y}\), average of  \(x,y\) and \(z\)  (and so on), \(\displaystyle \frac{{x+y+z+…}}{{\text{(how many}\,\,\text{numbers}\,\,\text{on}\,\,\text{top)}}}\), \(x\) per \(y\), \(x\) to \(y\), \(x\) over \(y\), \(x\) part of \(y\), \(x\div y\)   or   \(\displaystyle \frac{x}{y}\), \(x\) per \(y\), as in \(x\) “for every” \(y\), \(\displaystyle y+\left( {y\times \frac{x}{{100}}} \right)\), \(\displaystyle y-\left( {y\times \frac{x}{{100}}} \right)\), \(y\) is at least (or no less than) \(x\). Identify the variable: Use the statement, Let x = _____.

The difference if 3/8 a larger number and 10 times a smaller number is 5 find both numbers if the larger number is 48/5 more than 8 times the smaller number. What are you trying to solve for? Embedded content, if any, are copyrights of their respective owners. 09/14/20.

What is the cost of hiring tour guides, as a function of the number of tourists who go on the tour? Example 1. ax ± b = c. All problems … You will need to get assistance from your school if you are having problems entering the answers into your online assignment. If solution Z is made by mixing solutions X and Y in a ratio of 3:11, then 1260 ounces of solution Z contains how many ounces of ingredient a? 2. Now we have 6 test grades that will count towards our semester grade: 4 regular tests and 2 test grades that will be what you get on the final (since it counts twice, we need to add it 2 times). The next one is 11. We always have to define a variable, and we can look at what they are asking. This is a ratio problem; we learned about ratios in the Percents, Ratios, and Proportions section. How many adult tickets were sold?

Solution Let x be the first number. Twice the smaller (\(2\times 7\)) decreased by 3 would be \(14-3=11\).

remembered how. Do you have some pictures or graphics to add? How many senior tickets were sold?

Write an equation relating the number of color photos \(p\) to the number of minutes \(m\). For the second expression, I knew that my key words,

Erica would have to tutor at least 22 hours. Algebra Word Problem Math Algebra 2.

Again, we assign “\(n\)” to the first number, “\(n+1\)” to the second, and “\(n+2\)” to the third, since they are consecutive numbers. Now we have to line up and subtract the two equations on the left and solve for \(x\); we get \(\displaystyle x=\frac{{421}}{{990}}\). The problem is asking for a number, so let’s make that \(n\). Solve the inequality and graph the results. The translation is pretty straight forward; note that we didn’t have distribute the 2 since the problem only calls for twice the smaller number, and then we subtract 3.

What are the two numbers? 3. ” …, A Little Tricky Algebra word problem Not rated yetNavin spent 25% of it and gave 2/5 of the remainder to his brother.

Let’s make a table to store the information. To check your answer, try numbers right around the answer, like 21 hours (which wouldn’t be enough), and 22 hours (which would work!). This is called a weighted average, since we “weighted” the final test grade twice. Therefore, we use the expression 0.25m.

Again, you can always add distances; look at them separately first, and then you can put them together to equal the total distance (100). what dimensions should he use? Area of irregular shapesMath problem solver. Let’s see how we can set this up in an equation, though, so we can do the algebra! You’d have 10 boys and 4 girls, since 10 is 5 times 2, and 4 is 2 times 2.

It’s always good to draw pictures for these types of problems: \(\text{Distance}\,\,=\,\,\text{Rate}\,\,\times \,\,\text{Time}\), Solve:  \(\begin{align}100&=60t+40t\\100&=100t\\t&=1\end{align}\).

The sum of two numbers is 18. Note that there’s an example of a Parametric Distance Problem here in the Parametric Equations section.

Below are more complicated algebra word problems Example #6: The ratio of two numbers is 5 to 1. 10. (We saw a graph of a similar function, the Greatest Integer Function, in the  Parent Functions and Transformations section.). I need help getting the answer. What are the 3 main types of waves?

Don’t worry if you don’t totally get these; as you do more, they’ll get easier. If you can solve these problems with no help, you must be a genius!

in three year, he will be twice as old as his sister. In one hour, the train and the car will be 100 miles apart. ingredient a}\\3\times 54=162\,\,\,\,\text{oz}\text{. Solution We’ll do more of these when we get to the Systems of Linear Equations and Word Problems topics.

Since this is a set fee for each not spending more than you have to. Let’s put in real numbers to see how we’d get the number that she sold:  if she bought 100 programs and sold all but 20 of them, she would have sold 80 of them. tickets were sold. So my expression was. Let’s think about this by using some real numbers. We must figure the distance of the train and car separately, and then we can add distances together to get 100. Write down what you need to find, or else underline it in the problem, so that you do not forget what your final answer means.

An equation is written with an equal sign and

Don’t forget to turn percentages into decimals and make sure that all the percentages that you use (the “weights”) add up to 100 (all the decimals you use as weights should add up to 1). There are 20 boys and 8 girls.

Is this number 33 less than twice the opposite of 6? Multiplying and Dividing, including GCF and LCM, Powers, Exponents, Radicals (Roots), and Scientific Notation, Introduction to Statistics and Probability, Types of Numbers and Algebraic Properties, Coordinate System and Graphing Lines including Inequalities, Direct, Inverse, Joint and Combined Variation, Introduction to the Graphing Display Calculator (GDC), Systems of Linear Equations and Word Problems, Algebraic Functions, including Domain and Range, Scatter Plots, Correlation, and Regression, Solving Quadratics by Factoring and Completing the Square, Solving Absolute Value Equations and Inequalities, Solving Radical Equations and Inequalities, Advanced Functions: Compositions, Even and Odd, and Extrema, The Matrix and Solving Systems with Matrices, Rational Functions, Equations and Inequalities, Graphing Rational Functions, including Asymptotes, Graphing and Finding Roots of Polynomial Functions, Solving Systems using Reduced Row Echelon Form, Conics: Circles, Parabolas, Ellipses, and Hyperbolas, Linear and Angular Speeds, Area of Sectors, and Length of Arcs, Law of Sines and Cosines, and Areas of Triangles, Introduction to Calculus and Study Guides, Basic Differentiation Rules: Constant, Power, Product, Quotient and Trig Rules, Equation of the Tangent Line, Tangent Line Approximation, and Rates of Change, Implicit Differentiation and Related Rates, Differentials, Linear Approximation and Error Propagation, Exponential and Logarithmic Differentiation, Derivatives and Integrals of Inverse Trig Functions, Antiderivatives and Indefinite Integration, including Trig Integration, Riemann Sums and Area by Limit Definition, Applications of Integration: Area and Volume, The price of a pair of shoes has increased by, The ratio of boys to girls in your new class is, You’ve taken four tests in your Algebra II class and made an, Your little sister Molly is one third the age of your mom.


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