Question

a group of 5 people can do a piece of work in 6 hours. calculate the time a group of 8 people, working at half the rate of the first group would take to complete the same work?​

Answer 1

Answer:

The work requires 5 people x 6 hours = 30 people-hours.

If people work at half their capacity, the work will require 60 people-hours. So 15 people will complete the work in

60 people-hours/ 15 people = 4 hours.

hope this is help you friend☺

Answer 2

7 hours 30 minutes

Step-by-step explanation:

5 people takes time to do the work= 6 hours

1 people will take time to do the work= 6×5 = 30 hours

if people will work at half the rate of the 1st group , then tike taken= 30×2 = 60 hours

8 people will take time to do the work= 60/8= 7 .5 hours = 7 hours 30 minutes