Adding and Subtracting Rational Numbers in Real Life

Sarah bought 3.5 pounds of apples and 2.75 pounds of oranges. How many pounds of fruit did she buy in total?

• 6.25 pounds

• 4.5 pounds

• 7.0 pounds

• 5.5 pounds

A gardener planted 4.2 meters of flowers in the front yard and 3.8 meters in the backyard. How many meters of flowers did he plant altogether?

• 7.5 meters

• 9.0 meters

• 6.0 meters

• 8.0 meters

Tom had $15.50. He spent $7.25 on a book. How much money does he have left?

• $8.25

• $10.00

• $5.50

• $7.25

Lisa had a debt of $20. She paid off $5.75. What is her remaining debt?

• $18.50

• $10.25

• $14.25

• $15.75

A recipe requires 2.5 cups of flour. If you want to make half the recipe, how much flour do you need?

• 2 cups of flour

• 3 cups of flour

• 1 cup of flour

• 1.25 cups of flour

A store had a sale where you could save $12.50 on a $50 item. How much will you pay after the discount?

• $25.00

• $45.00

• $37.00

• $37.50

If a car travels 60.5 miles in the first hour and 45.75 miles in the second hour, how far did it travel in total?

• 110 miles

• 100 miles

• 106.25 miles

• 95.5 miles

A baker made 8.5 dozen cookies and sold 3.25 dozen. How many dozen cookies does he have left?

• 4.75 dozen

• 7.00 dozen

• 6.00 dozen

• 5.25 dozen

A student scored 85.5 on a test and 92.75 on another. What is the total score of both tests?

• 190.00

• 175.25

• 180.50

• 178.25

If a tank holds 150 liters of water and is currently filled with 75.5 liters, how much more water is needed to fill the tank?

• 74.5 liters

• 80 liters

• 70 liters

• 75 liters