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chubhunter [2.5K]
3 years ago
14

A father gave his son 5/7 of his monthly allowance keeping the rest for a previous debt. The son spent 5/7 of what his father ga

ve him and now has $9.60 left. What is the son's normal allowance?
Mathematics
1 answer:
lesya [120]3 years ago
4 0

M = Monthly Allowance.

N = 5/7 of M (Monthly Allowance)

5/7 of 5/7 of M = 9.60

5/7 * 5/7 * M = 9.60

Rearrange the formula to find M

M = 9.60 / (5/7) / (5/7) = 18.816

<h2>Monthly Allowance = $18.816</h2>
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