Use some thinking to answer the following question. A can do a piece of work in 9 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?\nOptions:\n(A) 18\n(B) 77\n(C) 66\n(D) 54\n(E) 12
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8/9 + 6/x = 1\nX = 54 days So the final answer is (D).
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