Writing Expressions Day 2

Carina ran 5 miles fewer than three times as far as Andrea. Andrea ran 'm' miles. Which expression represents how far Carina ran?

• 5 - 3m

• 3m - 5

• 3m + 5

• 5(m - 3)

Logan is preparing reports for a special meeting. He needs 20 copies of a 15-page report and 20 copies of an 18-page report. Each sheet costs 'x' cents to print. Which expression does not represent the total cost of Logan's reports?

• $\left(15\ \cdot\ 20\ +\ 18\ \cdot\ 20\right)\ x$

• $20\ \left(15\ +\ 18\right)\ x$

• $300x\ +\ 18x$

• $\left(15x\ +\ 18x\right)\ 20$

Josh cleans windows during the summer. He charges $50 per house and an additional $5 per window. Which expression represents how much Josh would charge to clean 'x' windows at 1 house?

• $50x\ +\ 5$

• $55\ +\ x$

• $50\ +\ 5x$

• $50\ -\ \frac{x}{5}$

Which of the following expressions represents a number (n) less than 12?

• n - 12

• 12 - n

• n + 12

• 12 + n

Tiffany's age is four years greater than double Mario's age. If Mario's age is 'n' years. which of these expressions represents Tiffany's age?

• 4n

• 4n + 2

• 2n + 4

• 2(n + 4)

Which expression represents: 3 less than the product of a number and 5

• 3 - 5x

• 15x

• 5 - 3x

• 5x - 3

Which expression represents the product of 'x' and 25?

•  $\frac{25}{x}$  

•  $25\ +\ x$  

•  $25\ -\ x$  

•  $25x$  

Dane has 'x' baseball cards. Bryson has 3 times as many baseball cards as Dane. Orren has 20 baseball cards. Which expression represents how many cards they have in all?

• x + 3 + 20

• 3x + 20

• x + 3x + 20

• x + 3x - 20

Reaghan's family went on a vacation. They started with $2,000. If they spent $150 each day, which expression represents how much money they had after 'x' days?

• 1,850x

• 2,000 - 150x

• 150x

• 2,000 + 150x

A plumber charges customers $48 for each hour worked plus an additional $9 for travel. If 'h' represents the number of hours worked, which of the following expressions could be used to calculate the plumber's total charge?

• $48+9+h$

• $48\ \cdot\ 9\ \cdot\ h$

• $48\ +\ 9h$

• $48h\ +\ 9$