David G. answered • 10/28/15
Tutor
3.7
(6)
Adept, expert epistemologist (in training) for Mathematics.
5 men working for 6 hours means the project required 30 man-hours to complete.
5 men × 6 hours = 30 man-hours
The equation below will give you your answer after solving for Y.
3 men × Υ = 30 man-hours
Y = (30 man-hours)/(3 men) = 10 hours
