Question

A and B can do a piece of work in 4
days, while C and D can do the same
work in 12 days. In how many days will
* ?A, B, C and D do it together
12 days o
4 days
3 days
2 days o
O أخرى:​

Answer 1

Answer:

I hope the above attached answer will help you

the correct answer is 3 days