Solving Multi-Step Equations and Variables in Context

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?

• 6

• 10

• 4

• 8

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?

• 25

• 15

• 20

• 10

A recipe requires 3 cups of flour and 2 cups of sugar. If you want to make a batch that uses a total of 20 cups of ingredients, how many cups of flour will you need?

• 8 cups of flour

• 12 cups of flour

• 5 cups of flour

• 10 cups of flour

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. If you drove the car for m miles and your total bill was $70, how many miles did you drive?

• 100 miles

• 80 miles

• 120 miles

• 50 miles

In a class, the number of boys is 5 more than twice the number of girls. If there are g girls in the class, write an equation to find the number of boys and solve for the number of boys when there are 10 girls.

• 25

• 15

• 30

• 20

A gardener is planting flowers in rows. If each row has 4 flowers and there are r rows, and the total number of flowers is 28, how many rows are there?

• 5

• 6

• 7

• 8

A book costs $15 and a magazine costs $5. If you buy a total of 6 items and spend $70, how many books did you buy?

• 5

• 3

• 4

• 2

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

• 3 hours

• 5 hours

• 1.5 hours

• 2.4 hours

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

• 2

• 4

• 1

• 3

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

• 6

• 5

• 4

• 3