yazmine213 yazmine213

30-07-2015
Mathematics

Answered

A car repair shop charged $80 per hour for labor and $210 for the parts of a car. If the total cost of repair for the car was $490, how many hours did it take to repair the car?

0.59 2.71 3.50 8.75

Verified Answer :

crisforp crisforp

30-07-2015

80x + 210 = 490 ;
80x = 280 ;
x = 280÷80 ;
x = 3.50 ;

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