SOLUTION: A farmer can plow a field in 24 hours. His son, with a larger plow, can plow it in 12 hours. The farmer asked that they work together so they could finish before the rain started.
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Question 449890: A farmer can plow a field in 24 hours. His son, with a larger plow, can plow it in 12 hours. The farmer asked that they work together so they could finish before the rain started. It rained 7 hours later. Had they finished plowing before the rain?
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
x/24+x/12=1
x+2x=24
3x=24
x=8
not finished before the rain in 7 hours
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