Solving 2-Step Equations: Variables & Word Problems

1. Sarah has some marbles. She buys 8 more marbles and now has 20 marbles. How many marbles did she start with? (Let x be the number of marbles she started with.)

• 15

• 18

• 12

• 10

2. A book costs $15. If you have $50, how many books can you buy? (Let x be the number of books.)

• 2

• 5

• 4

• 3

3. Tom is saving money for a video game that costs $60. He already has $25. If he saves $5 each week, how many weeks will it take him to have enough money? (Let x be the number of weeks.)

• 7 weeks

• 3 weeks

• 10 weeks

• 5 weeks

4. A box contains some chocolates. If you take out 12 chocolates, there are 24 left. How many chocolates were in the box originally? (Let x be the original number of chocolates.)

• 48

• 24

• 36

• 30

5. Lisa has twice as many stickers as John. If John has 10 stickers and Lisa gives away 5 stickers, how many stickers does Lisa have now? (Let x be the number of stickers Lisa has.)

• 15

• 5

• 20

• 10

6. A farmer has some apples. He sells 15 apples and has 45 left. How many apples did he have at the start? (Let x be the initial number of apples.)

• 30

• 45

• 75

• 60

7. A concert ticket costs $30. If you have $120, how many tickets can you buy? (Let x be the number of tickets.)

• 5

• 3

• 4

• 2

8. Mark has a collection of coins. He gives away 10 coins and now has 50 coins left. How many coins did he have originally? (Let x be the original number of coins.)

• 60

• 80

• 40

• 70

9. A toy costs $25. If you have $100, how many toys can you buy? (Let x be the number of toys.)

• 5

• 4

• 3

• 2

10. Emma has some pencils. She buys 15 more and now has 50 pencils. How many pencils did she start with? (Let x be the number of pencils she started with.)

• 40

• 35

• 30

• 25