A, B and C can individually complete a task in 20 days, 16 days, and 30 days, respectively. If A and B started working on the task, and they worked for 4 days and left, then the number of days required by C to finish the remaining task is:

A, B and C can individually complete a task in 20 days, 16 days, and 3

1.	A, B and C can individually complete a task in 20 days, 16 days, and 30 days, respectively. If A and B started working on the task, and they worked for 4 days and left, then the number of days required by C to finish the remaining task is:
A.	13 days
B.	\(16\frac{1}{2}\) days
C.	10 days
D.	\(12\frac{1}{2}\) days
Answer» C. 10 days

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A, B and C can individually complete a task in 20 days, 16 days, and 30 days, respectively. If A and B started working on the task, and they worked for 4 days and left, then the number of days required by C to finish the remaining task is:

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