Question

10 men, working. 6 hours a day can compjete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days

Answer 1

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Answer 2

Answer:

6 hours a day must 15 men work to complete the same work in 12 days.

Step-by-step explanation:

10 men, working. 6 hours a day can complete a work in 18 days.

We are supposed to find  How many hours a day must 15 men work to complete the same work in 12 days

Formula :$\frac{m_1 \times h_1 \times d_1}{w_1} =\frac{m_2 \times h_2 \times d_2}{w_2}$

$w_1=1\\m_1 =10\\h_1=6\\d_1=18\\w_2=1\\h_2=?\\m_2=15\\d_2=12$

Substitute the values in the formula :

$\frac{10 \times 6 \times 18}{1} =\frac{15 \times ? \times 12}{1}$

$\frac{10 \times 6 \times 18}{15 \times 12} =?$

$6=?$

Hence 6 hours a day must 15 men work to complete the same work in 12 days.