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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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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