A can do a work in 6 days , B can do a work in 8 days and C can do it in 12 days. B left work after 2 days. For how many number of days should A and C should work together to complete the remaining work ? Choose the correct choice from the following answers:
A) 1/2
B) 2/3
C) 1/3
D) 4/3
E) 5/2
b work 1/8 * 2=1/4   remaining work =1-1/4=3/4   a and c work together =1/6+1/12=3/12=1/4   take reciprocal 3/4 * remaining work =4/3 *1/4=1/3   ANSWER:1/3
<result>C</result>
A can do a work in 6 days , B can do a work in 8 days and C can do it in 12 days. B left work after 2 days. For how many number of days should A and C should work together to complete the remaining work ?