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If it takes five men 20 hours to build a house how long would it take a man to do the job if they work at the same rate

If it takes five men 20 hours to build a house how long would it take a man to do the job if they work at the same rate
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If it takes five men 20 hours to build a house how long would it take a man to do the job if they work at the same rate

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User Walter Tross
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7.5k points

2 Answers

4 votes
It would take him 5 × 20 = 100 hrs
answered
User Mevrick
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7.8k points
1 vote
this problem can be solved by inverse rule of three.
5 men--------------------20 hours
1 man-------------------- x

5 men*20 hours=1 man*x
x=(5 men*20 hours) / 1 man=100 hours.

answer: 100 hours.
answered
User Dottedmag
by
7.9k points
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