X can build a wall in 8 days, y can build same wall in 12 days and z can destroy the same wall in 20 days. If x & y worked together for p days after that z joined them. Now they all together completed the rest of the work in (p+32/19) days. In how many days total work will be completed?
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Answered by
2
Step-by-step explanation:
Total work = LCM(16, 8) = 48
A's one day work = + 48/16 = + 3
B's one day work = - 48/8 = -6
Given A worked for 5 days to build the wall => 5 days work = 5 x 3 = + 15
2days y joined with A in working = 2(3 - 6) = - 6
Remaining Work of building wall = 48 - (15 - 6) = 39
Now this remaining work will be done by A in = 39/3 = 13 days.
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Answer:
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