Ratios and Rates Review

What is the ratio of ladybugs to all critters?

• 3 : 5

• 3 : 8

• 5 : 3

• 5 : 8

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Complete the ratio table

• 10, 35

• 12, 41

• 10, 41

• 10, 45

Mr. Keys made $90 in 5 hours.  What is the unit rate?  

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

In an animal shelter, the ratio of cats to dogs is 3 to 5. If there are a total of 25 dogs at the shelter, how many cats do they have?

• 15

• 18

• 21

• 32

Diana uses 30 grams of coffee beans to make 48 fluid ounces of coffee. When guests come, she makes 96 fluid ounces of coffee. How many grams of coffee beans does Diana use when she has visitors?

Mathematical Equivalence

ON

What is the ratio of birds to zebras?

• 4:3

• 7:3

• 3:4

• 3:7

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1

• 1/6

• 18/3

• 3/18