Mathematics · Time and Work
Based on the following information, answer the question: P alone can complete a work in x days and R alone can complete it in (x + 16) days. The ratio of the efficiency of Q and S is 2:3. The ratio of the number of days taken by S and T is 4:3. P and R together can complete the work in 15 days. The time taken by Q is 6 days more than the time taken by P. The efficiency ratio of Q to T is 1:2. P, Q, and S together complete the work in y days. Find the value of [x + y]?
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