a car repairman charges $16 for every 20 minutes he works on your car plus a garage fee of $15. if the equation is T=16/20C+15,can be used to determine the total cost,T, of repairing your car "C" minutes, how long was your car worked on if you owed $267?
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1 Answer

(16/20)x +15=267

0.8x+15=267

0.8x=267-15=252

x=252/0.8

x=315
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