A and B can do a piece of work in 4 days, B and C in 6 days, C and A in 3 days. How long will C take to do it?	Choose one.
A) 8 days
B) 10 days
C) 12 days
D) 4 days
E) 12 days
2c = 1/6 + 1/3 – 1/4 = 1/4   c = 1/8 =&gt; 8 days   8 daysnswer:8 days
<result>A</result>
A and B can do a piece of work in 4 days, B and C in 6 days, C and A in 3 days. How long will C take to do it?