Math, asked by Rafel1399, 1 year ago

A can build a wall in the same time in which b and c together can do it. if a and b together could do it in 25 days and c alone in 35 days, in what time could b alone do it?

Answers

Answered by Yuvraj1991
0
1/A = 1/B + 1/C........... 1

1/A + 1/B = 25.......... 2

1/C = 35..................... 3

Solving we get,
A = 1/30
B = -1/5

hence B will build wall on its own in -5 Days

i. e. B actually can not build wall, moreover he is reducing the performance of other by working together.
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