Ratios and Proportions Review

An ice cream truck keeps track of the various orders in the table.

What percent of customers choose vanilla ice cream?

• 32.5%

• 45%

• 36%

• 58%

Walnuts are priced according to the chart. What is the price per pound for the walnuts? ​ (a)  

• $2.59
• $3.86
• $2.17
• $3.07

• 21 miles

• 28 miles

• 17 miles

• 31 miles

Answer explanation

If you got 28 miles as your answer, you were close. 28 is the unit rate of 28 miles per hour. The next step would have been to find 3/4 of 28, which is 21.

Mr. Pope lost 10 pounds in one month. At the end of the month, he weighed 240 pounds. By what percentage did Mr. Pope decrease his weight? Use the hint!

• 4%

• 7%

• 10%

• 15%

Ron is seeking a loan with a simple interest rate of 7% per year. He wants to borrow $4,500. How much will he be charged after 36 months?

(principal is the total amount borrowed) (time is in years, so convert 36 months to years)

• $5,445

• $9,450

• $11,340

• $945

At Centertown Middle School, 25% of the 124 students Mrs. Wade teaches buy their lunches in the cafeteria. How many students do not purchase their lunches in the cafeteria?

• 31 students

• 68 students

• 93 students

• 45 students

Answer explanation

If you chose 31 students as your answer, it's because you found the amount of students who DO buy their lunch their. We needed to find the students who DO NOT. You could have either subtracted 31 from 240, or found 75% of the students.

In Texas, the state sales tax rate is 6%. Beth purchases a washing machine at $420.00 and a dryer for $360.00.

How much will Beth's total be including state sales tax? ​ (a)  

• $826.80
• $46.80
• $780.00

The distance around a neighborhood is 6 miles. When Sam clocked it with an odometer, the distance was 5.52 miles.

What is the percent error of the clocking?

• 10%

• 6.5%

• 7%

• 8%

The Spring Fling dance sold 176 tickets during the first two days of sales. This was 32% of the total sales.

How many tickets were sold to the Spring Fling dance?

• 620 tickets

• 550 tickets

• 380 tickets

• 510 tickets

• 300%

• 280%

• 250%

• 200%