Question

2 people can trim a hedge in 1 hour, how long will it take 10 people

Answer 1

5 hours

by cross multiplication

people. hour

2. 1

10 ---------------------?

$\frac{10 \times 1}{5}$

$= 5$

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Answer 2

Answer:

The total time taken by 3 men to trim the hedge would be 80 minutes.

1) The time taken by 4 men to trim the hedge is 1 hour or 60 min.

2) One me would take 4 times more time alone i.e. Time taken by only one man would be 4 hours or 240 min.

3) The time taken by 3 men would be 3 times less than time taken by one man i.e. 240/3=80 min.

Step-by-step explanation: