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5 November, 01:58

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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  1. 5 November, 02:02
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    40x + 120 = 400

    40x = 280

    X=7

    It took 7 hours to repair.
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