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24 February, 15:48

An auto repair shop charged a customer $349 to repair a car. The bill listed $99 for parts and the remainder for labor. If the cost of labor is $50 per hour, how many hours of labor did it take to repair the car?

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  1. 24 February, 17:05
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    It took 5 hours to repair the car

    Step-by-step explanation:

    An auto repair shop charged a customer $349 to repair a car.

    The bill listed $99 for parts and the remainder for labor.

    The cost of labor is $50 per hour. If the number of hours it took to repair the car is x, then:

    99 + 50x = 349

    To find the number of hours it took to repair the car, we need to find x:

    50x = 349 - 99

    50x = 250

    x = 250 / 50 = 5 hours

    It took 5 hours to repair the car.
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