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20 June, 18:34

A hardware store charges a $30 rental fee and $15 per

day to rent a power washer. Which equation correctly

relates the total cost y to rent the washer for x days?

A

y = 15 + 30x

C

D

y = 30 - 15

y =

B

y = 30 + 15x

+3
Answers (2)
  1. 20 June, 18:53
    0
    30 is an one-time payment.

    The rest cost depends on the number of days (x) : 15 · x = 15x

    The total cost is a sum of above values, so the answer is y = 30 + 15x.
  2. 20 June, 19:00
    0
    The answer is B with the equation of y=15x + 30 because the rental fee is a one time payment as for the $15 is charged multiple times per day
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