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- A can do a piece of work in 10 days.
Question 1:
A can do a piece of work in 10 days. He works at it for 4 days and then B finishes remaining work in 9 days. In how many days can A and B together finish the work? A. 6 days
Feedback 4/10 + 9/x = 1 => x = 15
1/10 + 1/15 = 1/6 => 6 days
1/10 + 1/15 = 1/6 => 6 days
B. 8 days
C. 8 ½ days
D. 7 ½ days
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