Proportional Relationships, Ratios and Tables

The ratio of cats to dogs at the Adopt a Pet agency is 2 to 3. There are 60 dogs at the agency. What is the total number of cats at the agency?

• 40

• 20

• 100

• 64

Mr. Escobedo printed 12 worksheets for his afternoon classes. The worksheets took up 48 mL of ink. Each worksheet has the same amount of ink. How many worksheets can Mr. Escobedo print with 36 mL of ink?

A model of the Eiffel Tower uses a scale of 1 cm = 4 meters. If the model is 76 centimeters tall, what is the actual height of the Eiffel Tower?

• 19 meters

• 102 meters

• 304 meters

• 274 meters

Molly is building a model roller coaster as part of a school project. She chose the Millennium Force in Cedar Point, which is 96 meters tall, to model. If Molly uses a scale of 2 centimeter = 8 meters, what will be the height of the model?

• 24 centimeters

• 18.5 centimeters

• 16 centimeters

• 384 centimeters

The ratio of folders to journals in Mr. Rocco’s classroom is 4 to 5. There are 28 folders in the classroom. What is the total number of MATERIALS in Mr. Rocco’s classroom?

• 7

• 45

• 44

• 63

Samantha is making lemonade for her family reunion. She uses 8 ounces of powder for 32 ounces of water. How much water will Samantha need if she is using 128 ounces of powder?

On a road map of Washington, the distance from Washington to Montana is 6 inches. The map has a scale where 1 in represents 25 mi. What is the actual distance between the cities in miles?

In one forest in England, a species of Moths appears in different forms. One form is black and the other form is gray. The ratio of black moths to gray moths is 2 : 7. If there are a total of 49 gray moths in the forest, how many black moths are in the forest?

• 14 Black Moths

• 68 Black Moths

• 42 Black Moths

• 7 Black Moths

There are 30 students in one of Mr. Baker’s music classes. In this class 12 students play the trumpet. If Mr. Baker has a total of 150 students, what is a reasonable prediction for the total number of students that play the trumpet?