Solving Two-Step Equations: Find the Unknowns!

Maria has 3 times as many marbles as John. If John has x marbles and together they have 48 marbles, how many marbles does John have?

• 8

• 12

• 20

• 16

A book costs $15. If you buy 4 books and pay with a $100 bill, how much change will you receive?

• $40

• $30

• $50

• $25

Tom is 5 years older than his sister. If his sister is y years old and together they are 25 years old, how old is Tom?

• 12

• 10

• 20

• 15

A movie ticket costs $12. If you buy 5 tickets and pay with a $100 bill, how much change will you get back?

• $50

• $20

• $30

• $40

Lisa has twice as many stickers as Sam. If Sam has s stickers and together they have 30 stickers, how many stickers does Sam have?

• 10

• 15

• 20

• 5

A shirt costs $20. If you buy 3 shirts and a pair of pants for $30, how much did you spend in total?

• $70

• $90

• $60

• $80

The sum of a number and 8 is 20. What is the number?

• 15

• 10

• 18

• 12

A box contains x chocolates. If you eat 5 chocolates and have 15 left, how many chocolates were in the box originally?

• 20

• 25

• 15

• 10

A car travels 60 miles per hour. How far will it travel in 2 hours?

• 150 miles

• 120 miles

• 100 miles

• 80 miles

If a rectangle has a length of 10 meters and a width of w meters, and its perimeter is 40 meters, what is the width of the rectangle?

• 10 meters

• 20 meters

• 15 meters

• 5 meters