A and B working together; can do a piece of work in
9/2 hours. B and C working together can do it in 3 hours.
C and A working together can do it in 9/4 hours. All of
them begin the work at the same time. Find how much
time they will take to finish the piece of work.
Answers
Answered by
0
total time taken to complete the work={(A+B)+(B+C)+(C+A)}÷2
={2/9+1/3+4/9}÷2
={9/9}÷2
=1/2days
Similar questions