Isolating Variables: Solve Fun Math Mysteries!

A farmer has 50 apples. He gives away x apples to his friends. If he has 30 apples left, how many apples did he give away?

• 15

• 10

• 20

• 25

Sarah has 120 stickers. She wants to share them equally among x friends. If each friend gets 15 stickers, how many friends does she have?

• 6

• 10

• 12

• 8

A book costs $x. If you buy 3 books and spend $45, what is the cost of one book?

• $10

• $15

• $20

• $30

Tom has x marbles. He buys 25 more marbles and now has 75 marbles. How many marbles did Tom start with?

• 45

• 60

• 70

• 50

A pizza has x slices. If 4 friends eat 2 slices each, and there are 6 slices left, how many slices were there originally?

• 16

• 10

• 12

• 14

Lisa has $80. She spends x dollars on a game. If she has $50 left, how much did she spend?

• 30

• 50

• 20

• 40

A box can hold x toys. If you have 5 boxes and they can hold a total of 100 toys, how many toys can each box hold?

• 25

• 20

• 15

• 30

A car travels x miles in 2 hours. If it travels 60 miles in that time, what is the speed of the car in miles per hour?

• 20 miles per hour

• 50 miles per hour

• 40 miles per hour

• 30 miles per hour

A recipe calls for x cups of flour. If you use 3 cups and have 2 cups left, how many cups of flour does the recipe require?

• 7 cups

• 5 cups

• 6 cups

• 4 cups

A concert ticket costs $x. If you buy 4 tickets for $200, what is the price of one ticket?

• 75

• 25

• 50

• 100