Minena and Mashuka work together to complete a task in 9 days. Mashuka starts working alone and quits on completion of 2/5 of the work. Minena then completes the task alone. In this way, it takes 19.5 days to complete. If Mashuka works faster than Minena, how many days will Minena take to complete the task alone?

Minena and Mashuka work together to complete a task in 9 days. Mashuka

1.	Minena and Mashuka work together to complete a task in 9 days. Mashuka starts working alone and quits on completion of 2/5 of the work. Minena then completes the task alone. In this way, it takes 19.5 days to complete. If Mashuka works faster than Minena, how many days will Minena take to complete the task alone?
A.	25.5
B.	22.5
C.	25
D.	24
Answer» C. 25

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