Math, asked by salimkhan610, 1 year ago

Two workers a and b working together completed a job in 5 days. if a had worked twice as efficiently as he actually did, the work would have been completed in 3 days. to complete the job alone, a would require

Answers

Answered by GLENNDAY
2
One Day's work of A and B together,
1/A + 1/B = 1/5. ------ (i)

When A works with twice efficiency, Then,
2/A + 1/3B = 1/3. --------(ii)

on solving equations (i) and (ii), we get 
A = 25/4 = 6(1/4).
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