Question

4 people can trim a hedge in one hour how long would it take 3 people

Answer 1

Answer:

1hr20mins = 80 mins

Step-by-step explanation:

4 people can do the work in = 1 hour

1 person can do in = 1 ×4 hours = 4 hours

3 people can do the work in = 4/3 hours

= 4×60/3 = 240/3 = 80 mins

Answer 2

Answer:

It would take 3 people 80 minutes which would be 1hour and 20minutes