Writing and Solving Expressions, Equations, & Inequalities

Danny has a job making pizzas. He can make 1 pizza in 8 minutes. Which equation can be used to find, m, the number of minutes it takes Danny to make, p, pizzas?

•  p = $\frac{8}{m}$  

•  $m=\frac{p}{8}$  

•  $m=8p$  
  

•  $p=8m$  

Cantaloupes cost $0.77 per pound. Create an equation that could be used to find the total cost, y, of x pounds of cantaloupes.

• x = 0.77y

• 0.77 = xy

• y = 0.77x

With his phone/data plan, Montrice gets 800 free minutes each month to talk on his phone. Which inequality represents the number of minutes, x, that he can talk for free each month?

• x < 800

• x < 800

• x > 800

• x > 800

Braylen has $80 in his savings account. He plans to withdraw $30 out of his savings account each month.

Which expression could be used to find the amount of money Braylen will have in his savings account after x months of making withdrawals?

• 80x – 30

• 80 + 30 + x

• 80x + 30

• 80 - 30x

Jackie earns money, m, for doing chores. She puts that money with $6.50 she has in her pocket. Jackie now has a total of $36.50. Which equation represents her total amount of money?

• m + 6.50 = 36.50

• 6.50 + 36.60 = m

• 36.50 + m = 6.50

• 6.50m = 36.50

Shaquille earns $40.00 for raking his neighbor’s leaves. He bought lunch and has $23.75 left. The equation s + 23.75 = 40.00 can be used to determine s, the amount of money, in dollars, Shaquille spent for lunch. Which value of x represents the amount of money in dollars, Shaquille spent on lunch?

• x = 16.75

• x = 16.25

• x = 17. 25

• x= 17.75

Braxus has $65 in his savings account. He plans to deposit $30 into his savings account each month.

Which expression could be used to find the amount of money Braxus will have in his savings account after x months of making deposits?

• 30 + 65 + x

• 30 + 65x

• 30x + 65

• 30x – 65