Problema Solution
A technician can install a transmission line in 6 hours,
and the technician's helper can do it in 10 hours. How
many hours will it take them if they work together?
Answer provided by our tutors
The time working together is x
1/x = 1/6 + 1/10
So
x = 15/4 = 3.75
So time working together is 3.75 hours