Solving Multi-Step Equations: A 7th Grade Challenge

A store sells pencils for $2 each and erasers for $1 each. If you buy a total of 10 items and spend $16, how many pencils did you buy?

• 8

• 10

• 6

• 4

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

• 20

• 25

• 15

• 10

A recipe requires 3 cups of flour and 2 cups of sugar. If you want to make a batch that uses 5 cups of flour, how much sugar will you need?

• 1.5 cups of sugar

• 4 cups of sugar

• 2 cups of sugar

• 3.33 cups of sugar

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. If you paid $70 for your rental, how many miles did you drive?

• 200 miles

• 100 miles

• 50 miles

• 150 miles

In a class, the number of boys is 4 more than twice the number of girls. If there are g girls in the class and a total of 28 students, how many boys are there?

• 22

• 18

• 20

• 16

A gardener is planting flowers in rows. If each row has 5 flowers and there are x rows, and the total number of flowers is 45, how many rows are there?

• 10

• 8

• 7

• 9

A book costs $15 and a magazine costs $5. If you buy a total of 8 items and spend $70, how many books did you buy?

• 4

• 2

• 3

• 5

A swimming pool can be filled in 6 hours by one hose and in 4 hours by another hose. If both hoses are used together, how long will it take to fill the pool?

• 3 hours

• 1.5 hours

• 5 hours

• 2.4 hours

A concert ticket costs $30, and a VIP pass costs $50. If you bought a total of 5 tickets for $200, how many VIP passes did you buy?

• 3

• 4

• 2

• 1

A farmer has chickens and cows. If the number of cows is 3 more than twice the number of chickens and there are 15 animals in total, how many chickens does the farmer have?

• 5

• 6

• 4

• 2