SOLUTION: A twenty-kilogram bag of rice is consumed by m, number of boys in 10 days. When four more boys joined them, the same quantity of rice lasted only 8 days. If the rate if consumption

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Question 1133908: A twenty-kilogram bag of rice is consumed by m, number of boys in 10 days. When four more boys joined them, the same quantity of rice lasted only 8 days. If the rate if consumption is the same, find the value of m.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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A twenty-kilogram bag of rice is consumed by m, number of boys in 10 days.
When four more boys joined them, the same quantity of rice lasted only 8 days.
If the rate if consumption is the same, find the value of m.
:
10m = 8(m+4)
10m = 8m + 32
10m - 8m = 32
2m = 32
m = 16 boys