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7 August, 17:21

Repair shop charges $70 the first hour and $60 for each additional hour. Total labor charge for an air conditioning installation was $610 find total repair time

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Answers (2)
  1. 7 August, 17:25
    0
    9

    Step-by-step explanation:

    $70 + $60h = $610

    $60h = $540

    h = $9
  2. 7 August, 17:36
    0
    9 Hours

    Step-by-step explanation:

    $70 for the first hour

    $60 dollars for each hour

    $610 - $70 = $540

    $540 / $60 = 9

    9 Hours total repair time
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