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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?]

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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