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24 August, 09:12

One month ruby wokred 6 more hours than isaac and svetlana worked 4 times as many as ruby they together worked 126 hours how many hours did each person work

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  1. 24 August, 09:33
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    R + R - 6 + 4R = 126

    6R - 6 = 126

    6R = 126 + 6

    6R = 132

    R = 132/6

    R = 22 (hours Ruby worked)

    I = R - 6

    I = 22 - 6

    I = 16 (hours Isaac worked)

    S = 4R

    S = 4 (22)

    S = 88 (hours Svetlana worked)

    Finally, let's check our three answers to see if their sum is 126 (the given total of hours worked):

    22 + 16 + 88 = 38 + 88 = 126
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