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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 together?]

Respuesta :

TheWiseOrange
Answer: 7.2 hour

Explanation:

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