Mathematics, 09.10.2019 02:10 struckedblazing

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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Carolyn paid a mechanic x dollars per hour for a 5-hour job plus $70 for parts. the total charge was...