A car repair shop shop charged 80$ per hour for labor and210 for car parts it it all cost 490 how many hours did it take

asked Oct 22, 2018 199k views

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Let x be the number of hours to fix car.

$80x + 210 = 490
80x= 490-210
80x = 280
x = 280/80
x= 3.5 hours

Hope I helped :)

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