Calculate and Identify Constant of Proportionality

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

• 2.0

• 1.0

• 3.5

• 1.5

If a car travels 150 miles on 5 gallons of gas, what is the constant of proportionality for miles per gallon?

• 40 miles per gallon

• 35 miles per gallon

• 25 miles per gallon

• 30 miles per gallon

A gardener plants 4 rows of flowers, with each row containing 6 flowers. What is the constant of proportionality between the number of rows and the total number of flowers?

• 24

• 6

• 10

• 4

A factory produces 120 toys in 3 hours. What is the constant of proportionality for toys produced per hour?

• 40 toys per hour

• 60 toys per hour

• 50 toys per hour

• 30 toys per hour

If 8 notebooks cost $24, what is the constant of proportionality for the cost per notebook?

• 5

• 4

• 2

• 3

A cyclist rides 60 miles in 2 hours. What is the constant of proportionality for miles per hour?

• 30 miles per hour

• 20 miles per hour

• 40 miles per hour

• 50 miles per hour

A recipe requires 5 eggs for every 10 pancakes. What is the constant of proportionality between eggs and pancakes?

• 3/4

• 2/5

• 1/3

• 1/2

If a painter can paint 4 rooms in 2 days, what is the constant of proportionality for rooms painted per day?

• 2 rooms per day

• 1 room per day

• 3 rooms per day

• 4 rooms per day

A school has 300 students and 15 teachers. What is the constant of proportionality for students per teacher?

• 30

• 25

• 20

• 15

If a runner completes 10 laps in 25 minutes, what is the constant of proportionality for laps per minute?

• 0.5

• 0.2

• 0.4

• 1.0