Calculate Constant of Proportionality in Real-Life Scenarios

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?

• 35 miles per gallon

• 30 miles per gallon

• 40 miles per gallon

• 25 miles per gallon

A school is organizing a field trip and charges $20 per student. If 15 students sign up, what is the constant of proportionality for total cost per student?

• 15

• 25

• 30

• 20

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?

• 6

• 4

• 24

• 10

A factory produces 200 toys in 4 hours. What is the constant of proportionality for toys produced per hour?

• 25 toys per hour

• 75 toys per hour

• 100 toys per hour

• 50 toys per hour

If a painter charges $300 for 5 rooms, what is the constant of proportionality for cost per room?

• 50

• 75

• 60

• 100

A recipe requires 2 tablespoons of oil for every 5 servings. What is the constant of proportionality for tablespoons of oil per serving?

• 0.2

• 0.4

• 1.0

• 0.5

A cyclist travels 60 miles in 3 hours. What is the constant of proportionality for miles per hour?

• 15 miles per hour

• 25 miles per hour

• 30 miles per hour

• 20 miles per hour

A book costs $15 and has 300 pages. What is the constant of proportionality for cost per page?

• $0.05

• $0.10

• $0.20

• $0.03

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

• 75 miles per hour

• 80 miles per hour