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14-10-2020
Mathematics

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14-10-2020

Answer:

25r +30j = 460

r - j = 3

Step-by-step explanation:

Let r and j represent Riley's hours and Jace's hours, respectively. The equations could be ...

25r +30j = 460

r - j = 3

__

The solution is (r, j) = (10, 7).

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