Proportional Relationships: Rate of Change Challenges

A car travels 150 miles in 3 hours. What is the rate of change in miles per hour?

• 30 miles per hour

• 100 miles per hour

• 50 miles per hour

• 75 miles per hour

A plant grows 12 inches in 4 weeks. What is the rate of growth per week?

• 4 inches per week

• 3 inches per week

• 2 inches per week

• 6 inches per week

If a bike travels 60 miles in 2 hours, how long will it take to travel 90 miles at the same rate?

• 1.5 hours

• 4 hours

• 2 hours

• 3 hours

A recipe requires 2 cups of sugar for 4 servings. How much sugar is needed for 10 servings?

• 3 cups of sugar

• 4 cups of sugar

• 6 cups of sugar

• 5 cups of sugar

A runner completes a 5K race in 25 minutes. What is the runner's speed in miles per hour?

• 8.2 mph

• 9.0 mph

• 7.44 mph

• 6.5 mph

A water tank fills at a rate of 5 gallons per hour. How many gallons will it hold after 8 hours?

• 30 gallons

• 40 gallons

• 50 gallons

• 20 gallons

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

• 60 miles per hour

• 80 miles per hour

• 70 miles per hour

• 50 miles per hour

A factory produces 300 toys in 5 hours. How many toys does it produce per hour?

• 75 toys per hour

• 60 toys per hour

• 50 toys per hour

• 100 toys per hour

A car uses 10 gallons of gas to travel 250 miles. What is the rate of miles per gallon?

• 25 miles per gallon

• 20 miles per gallon

• 30 miles per gallon

• 15 miles per gallon

If a person walks 3 miles in 1 hour, how long will it take to walk 15 miles at the same pace?

• 4 hours

• 6 hours

• 3 hours

• 5 hours