An experienced computer technician can set up a network in 12 hours. It would take an intern 20 hours to set up the same network

Question

andrey2020 [161]

3 years ago

14

An experienced computer technician can set up a network in 12 hours. It would take an intern 20 hours to set up the same network

. If they work together, how long will it take to set up the network?
I need to know how to find the rate that they work

I need to know how long it will take if they work together

Mathematics

1 answer:

Ksivusya [100] · Answer 1 · 2022-01-03T21:17:31+03:00

Ksivusya [100]3 years ago

4 0

It would be: 1/20+1/12 = 3+5 / 60 = 8/60 = 4/30 = 2/15 = 7.50 hours

so, your answer is 7.50 hours