A and B working together completed a job in 5 days. If A works twice as efficiently as he actually did and B works 1/3 of actual efficiency, the work would have completed in 3 days. Find the for A to complete the job alone.

A and B working together completed a job in 5 days. If A works twice a

1.	A and B working together completed a job in 5 days. If A works twice as efficiently as he actually did and B works 1/3 of actual efficiency, the work would have completed in 3 days. Find the for A to complete the job alone.
A.	6 1/2
B.	6 1/4
C.	6 3/4
D.	12 1/2
E.	None of these
Answer» C. 6 3/4

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A and B working together completed a job in 5 days. If A works twice as efficiently as he actually did and B works 1/3 of actual efficiency, the work would have completed in 3 days. Find the for A to complete the job alone.

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