Mastering Variables: Two-Step Equations Challenge

A number is increased by 5 and then multiplied by 2 to get 24. What is the number?

• 15

• 10

• 12

• 7

Maria has some money. She spends 10 dollars and then has 30 dollars left. How much money did she have initially?

• 30 dollars

• 20 dollars

• 40 dollars

• 50 dollars

A book costs x dollars. If you buy 3 books and pay 27 dollars, what is the cost of one book?

• 6 dollars

• 12 dollars

• 15 dollars

• 9 dollars

The length of a rectangle is 4 meters more than its width. If the perimeter is 28 meters, what is the width?

• 4 meters

• 6 meters

• 5 meters

• 7 meters

A number decreased by 7 equals 15. What is the number?

• 29

• 15

• 7

• 22

Tom has twice as many marbles as Jerry. If Jerry has x marbles and together they have 30 marbles, how many marbles does Jerry have?

• 5

• 20

• 15

• 10

A car rental company charges a flat fee of 50 dollars plus 20 dollars for each day rented. If a customer pays 130 dollars, how many days did they rent the car?

• 2 days

• 5 days

• 4 days

• 3 days

The sum of a number and 12 is equal to 40. What is the number?

• 28

• 24

• 32

• 36

A school is selling tickets for a play. If each ticket costs 8 dollars and they sold 15 tickets, how much money did they make?

• 80 dollars

• 100 dollars

• 120 dollars

• 150 dollars

A gardener has x plants. If he buys 5 more and now has 20 plants, how many plants did he start with?

• 15

• 10

• 18

• 25