Real-Life Word Problems: Subtracting Rational Numbers

A store had 15.5 pounds of apples. They sold 7.2 pounds. How many pounds of apples are left?

• 5.0 pounds

• 10.2 pounds

• 8.3 pounds

• 6.5 pounds

Maria has $50.75. She buys a book for $12.99. How much money does she have left?

• $37.76

• $40.75

• $37.99

• $25.76

A tank has 20.4 liters of water. If 5.6 liters are used for a plant, how much water remains in the tank?

• 15.6 liters

• 14.8 liters

• 18.0 liters

• 10.4 liters

John ran 3.5 miles in the morning and 2.8 miles in the evening. How many miles did he run in total?

• 6.3 miles

• 6.0 miles

• 7.1 miles

• 5.5 miles

A baker made 12.3 dozen cookies. If he sold 4.5 dozen, how many dozen cookies does he have left?

• 8.0 dozen

• 5.5 dozen

• 6.5 dozen

• 7.8 dozen

Lisa has 8.9 meters of ribbon. She uses 3.4 meters for a project. How much ribbon does she have remaining?

• 7.0 meters

• 6.2 meters

• 5.5 meters

• 4.5 meters

A car traveled 150.5 miles on a trip. If it has 45.3 miles left to reach its destination, how far is the destination?

• 195.8 miles

• 160.2 miles

• 200.3 miles

• 180.5 miles

Tom had $75.50. He spent $23.75 on a game. How much money does he have now?

• $60.25

• $51.75

• $45.75

• $52.50

A fish tank holds 30.0 gallons of water. If 10.5 gallons are removed for cleaning, how much water is still in the tank?

• 30.0 gallons

• 25.5 gallons

• 19.5 gallons

• 15.0 gallons

Samantha read 45.2 pages of a book on Monday and 30.7 pages on Tuesday. How many pages did she read in total?

• 80.2

• 60.9

• 70.5

• 75.9