Ratios, Rates, and Proportions

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

John can read 135 pages in 1 1/2 hours. What is Johns reading rate in pages per minute?

• 2.5

• 1.5

• 90

• 30

A package of 36 photographs cost $18. What is the cost of each photograph?

• $2

• $0.50

Taylor threw a party. She bought 4/5 of a gallon of coffee for 8 of her friends. How much coffee will each friend receive? 

• 1/5  of a gallon

• 1/100  of a gallon

• 1/10  of a gallon

• 8/40  of a gallon

A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need?

• 9

• 12

• 16

• 6

In a class, the ratio of boys to girls is 6:5. If there are 18 boys, how many girls are there?

• 11

• 24

• 12

• 15

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

Find missing side

• 5

• 7

• 9

• 11

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4

• 30

• 70

• 40