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26 August, 19:11

Carolyn paid a mechanic x dollars per hour for a 5-hour job plus $70 for parts. The total charge was less than $320. Which equation can be used to determine how much the mechanic charged per hour?

A. 5x<320+70

B. 5x<320-70

C. (70+5) x<320

D. (70-5) x<320

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  1. 26 August, 21:35
    0
    Answer: should be 70+50x is less than 320

    Step-by-step explanation:$70 is only added once, and for 5 hours, she pays him a certain amount of $ (x). I don't know if the multiple choices are valid
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