Ratios Proportions and Percents

There are 32 female performers in a dance recital. The ratio of men to women is 3:8. How many men are in the dance recital?

Janice bought 4 oranges for $3.40. What is the unit price?

• $0.50

• $0.85

• $0.40

• $3.40

Brent counted 10 red cards, 10 black cards, and 20 blue cards in a deck of cards. What is the ratio of red cards to other cards?

• 1:1

• 1:2

• 1:3

• 2:1

Shirley spelled 12 of her 15 spelling words correctly on the test. What percent grade did Shirley get on the test?

Two slices of Dan’s Famous Pizza have 230 calories. How many calories would you expect to be in 5 slices of the same pizza?

• 2.5 calories

• 575 calories

• 250 calories

• 460 calories

Which ratio is equivalent to 12:20

• 20:12

• 2:3

• 3:5

• 3:10

Solving ratio problem: If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

• 4:5

• 2:3

• 3:2

• 1:2

Using proportions to solve problems: If 4 bags of rice cost $20, how much will 7 bags cost?

• $35

• $40

• $30

• $25

Using proportions to solve problems: If it takes 3 hours for 5 workers to complete a project, how long will it take 8 workers to complete the same project?

• 5 hours

• 1.875 hours

• 2.5 hours

• 10 hours

Applying ratios and proportions in real-life scenarios: A recipe calls for 2 cups of flour and 1 cup of sugar. If you want to double the recipe, how much sugar do you need?

• 1 cup

• 3 cups

• 4 cups

• 2 cups