Solving Real-Life Problems with Linear Equations

Maria has some apples. If she buys 5 more apples, she will have 12 apples. How many apples does she have now?

• 7

• 8

• 10

• 5

A book costs $8. If you have $x, how much more money do you need to buy the book?

• 8 / x

• 8 + x

• 8 - x

• x - 8

Tom has 15 marbles. He gives away some marbles to his friend and now he has 10 marbles left. How many marbles did he give away?

• 8

• 5

• 7

• 3

A box can hold 20 toys. If you already have 7 toys in the box, how many more toys can you add?

• 5

• 10

• 13

• 15

Lily is 10 years old. Her brother is 4 years younger than her. How old is her brother?

• 6

• 8

• 7

• 5

A car travels 60 miles in 1 hour. How far will it travel in x hours?

• 60x

• 120x

• 30x

• 60+x

There are 30 students in a class. If 12 students are girls, how many boys are in the class?

• 15

• 18

• 20

• 10

A pizza has 8 slices. If you eat 3 slices, how many slices are left?

• 4 slices

• 3 slices

• 5 slices

• 6 slices

A farmer has 50 chickens. If he sells 20 chickens, how many does he have left?

• 15

• 25

• 40

• 30

Samantha has $50. She spends $x on a toy. How much money does she have left?

• 50 - 50

• 50 - x

• x - 50

• 50 + x