Unit 3 · Test

Unit 3 test: Ratios, Rates and Percents

15 questions. Answer them all, then submit to see your score. Solutions unlock after you submit.

This test covers ratios and unit rates, solving proportions, finding a percent of a number, and percent change.

Question 1

A garden has 45 tulips and 60 daisies. What is the ratio of tulips to daisies in simplest form?

Question 2

Deshawn earns $101.50 for 7 hours of work. What is his pay per hour, in dollars?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 3

Yogurt comes in a 16-ounce tub for $4.00 or a 24-ounce tub for $5.52. Which is the better buy?

Question 4

At an animal shelter, the ratio of cats to dogs is $3 : 5$ . There are 64 cats and dogs in all. How many are dogs?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 5

Solve $\dfrac{x}{12} = \dfrac{5}{8}$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 6

Solve $\dfrac{9}{x} = \dfrac{6}{14}$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 7

Solve $\dfrac{x + 3}{5} = \dfrac{12}{10}$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 8

On a map, 1.5 inches represents 20 miles. Two cities are 4.5 inches apart on the map. How many miles apart are they?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 9

What is $35\%$ of 140?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 10

51 is what percent of 60?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 11

18 is $24\%$ of what number?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 12

Which is equal to $0.2\%$ of 3,000?

Question 13

A team scored 48 points in its first game and 60 points in its second game. What is the percent increase?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 14

After a $20\%$ discount, a pair of headphones costs $36. What was the original price, in dollars?

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 15

A price is increased by $20\%$ and then the new price is decreased by $20\%$ . What is the overall change?