Expressions and Number Problems

Tracy has 16 oatmeal cookies. She splits them evenly among b bags. Choose the expression that shows how many cookies are in each bag.

• b - 16

• 16

• 16b

• 16 ÷ b

Your mom wins $100 on a scratch-off ticket. She wants to split in between you and your sisters. How much will each of you receive if there are c children?

• 100 - c

• 100 + c

• 100 ÷ c

• 100c

1. A pizza delivery driver earns $8 an hour and works h hours per day. He also spends $20 a day on gas. How much will the driver earn in one day?

• 8h – 20

• 8h + 20

• 8 + 20

• 8 – 20

AT&T charges $30 per month for phone service and a one-time activation fee of $25. What expression describes the scenario, where m = months?

• 30 - 25m

• 30m - 25

• 30 + 25m

• 30m + 25

A Lyft driver earns $10/hour and works "h" hours per day. She also spends $25 on gas each day. Which expression represents how much she will earn in a day?

• 10h + 25

• 10h - 25

• 10h - 25h

• 10h + 25h

Which expression represents the perimeter of a triangle in simplest form that has side lengths: 2x, 3x + 5, x + 2

• 6x + 7

• 13x

• 5x + 7

• 7x + 10

The price of a visit to the dentist is $150. If the dentist fills any cavities, there is an additional charge of $50 per cavity. If the dentist finds "c" cavities, what is the cost of a visit?

• 200c

• 200 + c

• 150c + 50c

• 150 + 50c

Mr. Williams is x years old. If his mother is twice his age minus four, what expression represents his mother's age?

• 3x - 4

• 2x - 4

• 2 + x - 4

• 2x + 4

Shawn and his friends are going to the NC State fair. It costs $12 to park their car. Tickets to get in are $10 per person (p). Which expression represents how much money they will spend?

• 12p + 10p

• 12p - 10p

• 12p + 10

• 12 + 10p

A plane traveling to Raleigh has 100 seats on board. If there are p passengers on the plane, which equation represents the number of empty seats there are on the plane?

• p - 100

• 100 - p

• 100p

• 100 + p