Calculate Constant of Proportionality in Real-Life Scenarios

A recipe calls for 2 cups of flour for every 3 cups of sugar. What is the constant of proportionality between flour and sugar?

• 1/3

• 3/2

• 2/3

• 4/3

Tags

CCSS.7.RP.A.2B

If a car travels 60 miles in 1 hour, what is the constant of proportionality for distance traveled per hour?

• 70 miles per hour

• 50 miles per hour

• 30 miles per hour

• 60 miles per hour

Tags

CCSS.7.RP.A.2B

A gardener plants 5 rows of flowers, with each row containing 8 flowers. What is the constant of proportionality between the number of rows and the total number of flowers?

• 8

• 5

• 40

• 3

Tags

CCSS.7.RP.A.2B

A factory produces 150 toys in 3 hours. What is the constant of proportionality for toys produced per hour?

• 50 toys per hour

• 30 toys per hour

• 75 toys per hour

• 100 toys per hour

Tags

CCSS.7.RP.A.2B

If 4 notebooks cost $12, what is the constant of proportionality for the cost per notebook?

• 4

• 3

• 2

• 5

Tags

CCSS.7.RP.A.2B

A cyclist rides 15 miles in 30 minutes. What is the constant of proportionality for miles per minute?

• 1 mile per minute

• 0.25 miles per minute

• 2 miles per minute

• 0.5 miles per minute

Tags

CCSS.7.RP.A.2B

A recipe requires 3 eggs for every 2 cups of milk. What is the constant of proportionality between eggs and milk?

• 1.5

• 2.0

• 1.0

• 3.5

Tags

CCSS.7.RP.A.2B

If a train travels 240 miles in 4 hours, what is the constant of proportionality for miles per hour?

• 50 miles per hour

• 60 miles per hour

• 80 miles per hour

• 75 miles per hour

Tags

CCSS.7.RP.A.2B

A painter can paint 5 rooms in 10 hours. What is the constant of proportionality for rooms painted per hour?

• 1 room per hour

• 0.5 rooms per hour

• 2 rooms per hour

• 0.25 rooms per hour

Tags

CCSS.7.RP.A.2B

If 10 pounds of apples cost $20, what is the constant of proportionality for the cost per pound of apples?

• 2

• 3

• 1

• 5

Tags

CCSS.7.RP.A.2B