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chubhunter [2.5K]
3 years ago
12

One month,ruby worked 6 hours more than Isaac, and Svetlana worked 4 times as many hours as ruby. Together they worked 126 hours

find the number of hours each person worked.
Mathematics
1 answer:
kolezko [41]3 years ago
6 0
Let x hours be the number of hours Issac worked
     x+6 hours be the number of hours Ruby worked
    4(x+6) hours be the number of hours Svetlana worked.

x + x + 6 + 4(x+6) = 126
x + x + 6 + 4x +24 = 126
                   6x +30 = 126
                          6x = 96
                            x = 16
Therefore, Issac worked 16 hours.
                  Ruby worked 16+6 = 22 hours
                  Svetlana worked 22 × 4 = 88 hours.
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