The bill for the repair of your refrigerator was $146. The cost for parts was $74. The cost for the service call and the first half hour of

Question

The bill for the repair of your refrigerator was $146. The cost for parts was $74. The cost for the service call and the first half hour of service was $50. The additional cost for labor was $22 per half hour. How many hours did the repair work take?

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Phúc Điền 4 years 2021-08-09T11:04:08+00:00 1 Answers 8 views 0

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  1. dangkhoa
    0
    2021-08-09T11:05:14+00:00
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    Answer:

    146 – 74= 72

    72 – 50 = 22

    from the $50 is 30 mins of work

    add on another 30 mins for the $22

    it took 1 hr

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