Grade 7 Rational Word Problems: Unit Conversion & Interpretation

A recipe calls for 2.5 cups of flour. If you want to make half the recipe, how many cups of flour do you need?

• 1 cup

• 1.25 cups

• 2 cups

• 3 cups

A car travels 150 miles on 5 gallons of gas. What is the car's fuel efficiency in miles per gallon?

• 35 miles per gallon

• 25 miles per gallon

• 40 miles per gallon

• 30 miles per gallon

A swimming pool holds 12,000 liters of water. If you fill it with a hose that delivers 300 liters per hour, how many hours will it take to fill the pool?

• 20 hours

• 50 hours

• 40 hours

• 30 hours

A runner completes a 10-kilometer race in 50 minutes. What is their average speed in kilometers per hour?

• 8 km/h

• 15 km/h

• 10 km/h

• 12 km/h

A recipe requires 3.75 liters of milk. If you only have 1.5 liters, what fraction of the recipe can you make?

• 2/5

• 1/2

• 3/4

• 1/3

A store sells 3 pounds of apples for $4.50. How much would 5 pounds of apples cost?

• $5.00

• $7.50

• $8.00

• $6.00

A tank can hold 2,000 milliliters of liquid. If you pour in 1.5 liters, how much more can it hold?

• 750 milliliters

• 1,000 milliliters

• 500 milliliters

• 300 milliliters

A car travels 240 kilometers in 3 hours. What is the average speed of the car in kilometers per hour?

• 60 km/h

• 100 km/h

• 90 km/h

• 80 km/h

A gardener needs 0.5 kilograms of seeds to plant a garden. If he has 2.5 kilograms, how many gardens can he plant?

• 5

• 2

• 3

• 4

A recipe calls for 4.2 ounces of sugar. If you want to convert this to grams, how many grams do you need (1 ounce = 28.35 grams)?

• 100 grams

• 150 grams

• 130 grams

• 119.07 grams