Real-World Expressions: Set Up and Solve Equations

Maria has 3 times as many apples as John. If John has x apples, write an expression for the number of apples Maria has. What is the total number of apples if John has 4 apples?

• 12 apples

• 8 apples

• 16 apples

• 20 apples

A book costs $15. If you buy y books, write an expression for the total cost. How much will it cost to buy 5 books?

• $60

• $45

• $90

• $75

Tom has 20 marbles. He gives away m marbles to his friend. Write an expression for the number of marbles Tom has left. If he gives away 7 marbles, how many does he have now?

• 10

• 5

• 15

• 13

A pizza has 8 slices. If you eat s slices, write an expression for the remaining slices. How many slices are left if you eat 3 slices?

• 4

• 2

• 6

• 5

Lily has 50 stickers. She buys 5 more packs, each containing p stickers. Write an expression for the total number of stickers she has. If each pack has 10 stickers, how many does she have now?

• 100

• 85

• 95

• 110

A car travels 60 miles per hour. If it travels for t hours, write an expression for the total distance traveled. How far does it travel in 2 hours?

• 100 miles

• 120 miles

• 150 miles

• 80 miles

A farmer has 100 apples. He sells a certain number, a, and then has 40 apples left. Write an equation to find out how many apples he sold. How many apples did he sell if he has 40 left?

• 70

• 50

• 80

• 60

A box contains b balls. If you add 12 more balls, write an expression for the new total. What is the new total if the box originally had 8 balls?

• 20

• 16

• 10

• 24

Sarah has 5 times as many stickers as her brother. If her brother has b stickers, write an expression for the number of stickers Sarah has. How many stickers does Sarah have if her brother has 6 stickers?

• 24

• 30

• 36

• 12

A school has 300 students. If 50 students are absent, write an expression for the number of students present. How many students are present if 50 are absent?

• 200

• 150

• 250

• 300