SupperGeek SupperGeek

14-12-2016
Mathematics

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Ms yangs car needs to be repaired.The cost of the repair is going to be $40 per hour of work and an additional $120 for parts. Ms yang pays $400. Write and solve an equation to find how many hours it took to repair her car.

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KatieLaDuca KatieLaDuca

14-12-2016

40x + 120= 400
40x= 280
X=7
It took 7 hours to repair.

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