Rational Equations: Real-Life Applications for 8th Graders

A car travels 120 miles in 2 hours. If the speed is constant, what is the car's speed in miles per hour?

• 75 miles per hour

• 60 miles per hour

• 90 miles per hour

• 50 miles per hour

If 3/4 of a tank of gas can take a car 240 miles, how far can the car go on a full tank?

• 200 miles

• 280 miles

• 320 miles

• 360 miles

A recipe requires 2/3 cup of sugar for every 1/2 cup of flour. How much sugar is needed for 3 cups of flour?

• 3 cups of sugar

• 4 cups of sugar

• 2 cups of sugar

• 5 cups of sugar

If a train travels 150 miles in 3 hours, what is its speed in miles per hour?

• 100 miles per hour

• 75 miles per hour

• 30 miles per hour

• 50 miles per hour

A pool can be filled by a hose in 4 hours. If the hose is running for 2 hours, what fraction of the pool is filled?

• 3/4

• 1/2

• 1/3

• 1/4

If 5/6 of a pizza is left and you want to share it equally among 3 friends, how much pizza will each friend get?

• 5/18

• 3/4

• 2/3

• 1/2

A bike can cover 30 miles in 1.5 hours. How long will it take to cover 60 miles at the same speed?

• 2 hours

• 3 hours

• 5 hours

• 4 hours

If a tank can hold 500 liters of water and is currently filled to 3/5 of its capacity, how many liters of water are in the tank?

• 250 liters

• 400 liters

• 300 liters

• 200 liters

A recipe calls for 1/4 cup of oil for every 2 cups of flour. How much oil is needed for 8 cups of flour?

• 3/4 cup of oil

• 1 cup of oil

• 1/2 cup of oil

• 2 cups of oil

If a car uses 1/2 gallon of gas to travel 10 miles, how many gallons will it need to travel 50 miles?

• 4 gallons

• 1 gallon

• 3 gallons

• 2.5 gallons