A can complete a work in 50 days and B can in 40 days Find the work left after A has worked on it for 20 days
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the answer is 70days
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Answer: allegation method
A B
50 40
200
4 : 5
So total work 200
A worked for 20 days so he finished 80works
Work left is 120/200
Answer: 3/5
Step-by-step explanation:
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