A work as fast as B. If B can complete a work in 8days independently,the number of days in which A and B can together finish the work in?	Choose the correct choice.
A) 2days	B) 2 2/3days	C) 4days	D) 5days	E) 6days
Ratio of rates of working of A and 2 2/3days = 2:1   ratio of times taken = 1:2   A's 1day work = 1/4   2 2/3days's 1day work = 1/8   A+2 2/3days 1day work = 1/4 + 1/8 = 3/8 =&gt; 8/3 = 2 2/3   A and 2 2/3days can finish the work in 2 2/3days   Answer is 2 2/3days
<result>B</result>
A work as fast as B. If B can complete a work in 8days independently,the number of days in which A and B can together finish the work in?