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Semenov [28]
3 years ago
6

A man can harvest his farm in 18 hours. his son can harvest the same farm in 12 hours. how long will it take them working togeth

er?]
Mathematics
2 answers:
Oxana [17]3 years ago
7 0
Answer: 7.2 hour

Explanation:

\textnormal {Both of them work together =}  \cfrac{18 \times 12}{18 + 12} = 7.2 \textnormal { hours}

yanalaym [24]3 years ago
5 0
I think you would do 18+12=30 and half of 30 is 15 so,They would only work 15 hours.
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