A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.  Choose the correct choice from the following answers:
A) 2 days
B) 1 ½ days
C) 3 days
D) 3 ½ days
E) 4 days
Explanation:   3/20 * 2 + (2 + x)/5 = 1   x = 1 ½ days   Answer: Option 1 ½ days
<result>B</result>
A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.