Question

A and B can do a piece of work in 10 hours. b and c in 12 hours and c and a in 15 hours. how long will they take if they work together? how long will each take to complete the work independently?​

Answer 1

Step-by-step explanation:

A and B do a piece of work in one hour 1/10

B and C do a piece work in one hour 1/12

C and A do a piece work in one hour 1/15

2(A+B+C) do ". ". " 1/10+ 1/12+1/15