To determine the price of servicing a car, a
mechanic charges a fixed fee plus an hourly
rate...
Mathematics, 12.08.2020 07:01 damariush567
To determine the price of servicing a car, a
mechanic charges a fixed fee plus an hourly
rate for each hour he works. If his price for
4 hours of service is $270, and his price for
7 hours of work is $420, what is the fixed fee
that the mechanic charges?
E. $50
F. $60
G. $70
H. $120
Answers: 2
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