Question

23. A and B working together, can
do a piece of work in 4 hours.
B and C working together can
do it in 3 hours. C and A working
together can do it in 2 hours.
All of them begin the work at
the same time. Find how much
time they will take to finish the
piece of work​

Answer 1

Step-by-step explanation:

We will take average (4+3+2)/3

9/3

3 hours

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