Question

If 4 people can cut a hedge in 1 hour then how long will it take 3 people?

Answer 1

Answer:

1 h 15min is the right answer

Answer 2

$if \: 4 \: people = 1 \: hour \\ then \: 3 \: people = \frac{1 \times 3}{4}$

$= \frac{3}{4} hours$