A B and C can do a work in 12 15 25 days .After 3 days B left the work In how many days the remaining work will be completed by both A and C together ?
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Answer:
x/10 + 3/12 + x/25 = 1
30x + 75 +12x = 300
42x = 225
x = 5 5/14 days
So Total time = 5 5/14 days OR remaining work is done by A & C in 2 5/14 days
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