Question

A can do a piece of work in 4 hours B and C together can do it in 3 hours while A

and C together can do it in 2 hours. How long will B alone take to do it.

plz plz i need the answer cause i need to write it in the test

ASAP!!!!

Answer 1

Answer:

B can do it in 12 hours

Step-by-step explanation:

A=1/4  

B+C=1/3

A+C=1/2

C=1/2-1/4 (since A=1/4)

C=1/4

then B=1/3-1/4

        B=1/12

hence B can do in 12 hours