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Question 1:
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?
A. 2 days
B. 1 ½ days
Feedback 3/20 * 2 + (2 + x)/5 = 1
x = 1 ½ days
C. 3 days
D. 3 ½ days

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