a can do a piece of work in 10 days and b can do it in 20 days. they start the work together.but, after 5 days, a leaves off. b will do the remaining work in
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Answer:
8 Days
Step-by-step explanation:
Let the required days be x.
A works for (x - 2) days, while B works for x days.
According to the question,
x−210+x20=1
2x- 4 + x = 20
3x = 24
x = 8 days
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