A and B can do a piece of work in 8 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?
Pick:
A) 13 1/3 B) 878 C) 30 D) 88 E) 11
C = 1/5 â€“ 1/8 = 3/40 =&gt; 40/3 = 13 1/3 days   13 1/3nswer: 13 1/3
<result>A</result>
A and B can do a piece of work in 8 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?