Math, asked by achuuu186, 1 year ago

A and B together can complete a job in 5 days ,A alone can complete in 15 days then how many days will B take to work alone?

Answers

Answered by systemboss

1

Answer:

answer= 7.5 days

Step-by-step explanation:

A+B = 5 days

A+B's efficiency= 1/5

A= 15 days

A's efficiency= 1/15

B's efficiency= 1/5 - 1/15

= 2/15

B= 15/2 days= 7.5 days

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