Homework Statement Each one of the five workers W1, W2, W3, W4 and W5 can do a certain job.
W1, W2, W3 together can do it in 7.5 hours.
W1, W3, W5 together can do it in 5 hours.
W1, W3, W4 together can do it in 6 hours.
W2, W4, W5 together can do it in 5 hours.
Find the time in which all five...