Question

If 15 men can paint the walls of a building in 14 days, in how many days will 30 men complete
the work?
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Answer 1

Answer:

$\textcolor{yellow}{15 \: men = 14 \: days}$

$30 \: men = \frac{15 \times 14}{30}$

$\textcolor{red}{=1 \times 7}$

$\textcolor{red}{7}$

$it \: will \: take \: 7 \: days$

$for \: complete \: the \: work \:$

Answer 2

15 men can paint the walls in 14 days

1men................. 14×15

30men........ 14×15/30

=7days