SOLUTION: if four people can repair a vehicle in 5 1/2 hours, how many people working the same rate will it take to finish the job in 3 hours

Algebra ->  Rate-of-work-word-problems -> SOLUTION: if four people can repair a vehicle in 5 1/2 hours, how many people working the same rate will it take to finish the job in 3 hours      Log On


   

Question 398361: if four people can repair a vehicle in 5 1/2 hours, how many people working the same rate will it take to finish the job in 3 hours
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
if four people can repair a vehicle in 5 1/2 hours,
how many people working the same rate will it take to finish the job in 3 hours
:
Use man-hrs here
4 * 5.5 = 22 man-hrs to complete the job
:
let m = no. of men to complete the job in 3 hrs
3m = 22
m = 22%2F3
m = 71%2F3 men, maybe 6 men and boy