Isolate Variables: Real-Life Multi-Step Equations Quiz

A store sells pencils for $2 each and erasers for $3 each. If you buy a total of 10 items and spend $24, how many pencils did you buy?

• 6

• 10

• 8

• 4

Maria has twice as many marbles as John. If John has x marbles and together they have 36 marbles, how many marbles does Maria have?

• 24

• 12

• 18

• 30

A recipe requires 3 cups of flour and 2 cups of sugar. If you want to make 4 batches of the recipe, how many cups of flour and sugar do you need in total?

• 12 cups of flour and 8 cups of sugar

• 10 cups of flour and 6 cups of sugar

• 8 cups of flour and 4 cups of sugar

• 15 cups of flour and 10 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?

• 100 miles

• 200 miles

• 150 miles

• 50 miles

In a class, the number of boys is 5 more than twice the number of girls. If there are 15 girls, how many boys are in the class?

• 35

• 30

• 25

• 40

A gardener is planting flowers in rows. If each row has 8 flowers and there are 5 rows, how many flowers are there in total? If he wants to plant 10 more flowers, how many rows will he need?

• 9 rows

• 7 rows

• 8 rows

• 6 rows

A book costs $15 and a magazine costs $5. If you buy a total of 7 items and spend $70, how many books did you buy?

• 3

• 5

• 4

• 2

A swimming pool is filled with water at a rate of 3 gallons per minute. If it takes 20 minutes to fill the pool, how many gallons of water are needed? If you want to fill it in 15 minutes, how many gallons per minute would you need?

• 50 gallons needed; 3 gallons per minute to fill in 15 minutes.

• 80 gallons needed; 5 gallons per minute to fill in 15 minutes.

• 40 gallons needed; 2 gallons per minute to fill in 15 minutes.

• 60 gallons needed; 4 gallons per minute to fill in 15 minutes.

A concert ticket costs $30. If you buy x tickets and spend $150, how many tickets did you buy?

• 6

• 4

• 5

• 3

A farmer has chickens and cows. If the total number of animals is 50 and there are 3 times as many chickens as cows, how many chickens does the farmer have?

• 24

• 12

• 18

• 36