4 people can trim a hedge in one hour. how long will it take 3 people? give your answer in minutes.
Answers
Answered by
16
Answer:
no of people=4
time taken=1/60mins
no of people=3
time taken=1/x
4 - 1/60
3 - 1/x
cross multiply
x=60/3*4
x=80
Answered by
28
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.
Similar questions