Real-Life Variables: Interpret & Check Your Solutions

A store sells pencils for $0.50 each. If you buy x pencils and spend $4.00, how many pencils did you buy? Interpret your solution in the context of the problem.

• 4

• 8

• 10

• 6

Maria has 3 times as many marbles as John. If John has x marbles and together they have 48 marbles, how many marbles does John have? Check your solution for accuracy.

• 12

• 16

• 8

• 20

A recipe calls for 2 cups of flour for every x cookies. If you want to make 24 cookies, how many cups of flour do you need? Interpret your solution in the context of baking.

• 2 cups of flour

• 5 cups of flour

• 4 cups of flour

• 3 cups of flour

Tom is 5 years older than his sister. If his sister is x years old and together they are 25 years old, how old is Tom? Check your solution for accuracy.

• 15

• 20

• 12

• 10

A car travels at a speed of 60 miles per hour. If it travels for x hours, how far does it go? If the car travels for 3 hours, what is the distance? Interpret your solution in the context of travel.

• 120 miles

• 240 miles

• 90 miles

• 180 miles

A book costs $15. If you buy x books and spend $60, how many books did you buy? Check your solution for accuracy.

• 4

• 3

• 2

• 5

In a class, the number of boys is x and the number of girls is 2x. If there are 30 students in total, how many boys are there? Interpret your solution in the context of the classroom.

• 10

• 20

• 15

• 5

A gardener plants x flowers in each row. If there are 4 rows and a total of 32 flowers, how many flowers are planted in each row? Check your solution for accuracy.

• 10

• 12

• 6

• 8

A movie ticket costs $12. If you buy x tickets and spend $60, how many tickets did you buy? Interpret your solution in the context of going to the movies.

• 3

• 4

• 5

• 6

A box can hold x toys. If you have 48 toys and each box holds 12 toys, how many boxes do you need? Check your solution for accuracy.

• 4

• 3

• 6

• 5