Creating Expressions from Word Problems

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

Translate the expression into words:

5x - 2

• Five less than a number minus two.

• The quotient of a number and five minus two.

• Five times a number minus two.

• Two less than the sum of five and a number.

Translate the sentence into an expression:

The product of four and a number plus three

• 3y + 4

• 4 + y + 3

• 4y + 3

• 4(y + 3)

Mr. Marcin is making bags of prizes for hardworking students. He has 92 prizes and splits them evenly into b bags. Which expression represents this situation?

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

There were 47 frogs in a pond. f of the frogs hopped away. Choose the expression that represents this.

There are r rows of chairs with 8 chairs in each row. Choose the expression that represents the total number of chairs.