It can take 12 hours to fill a swimming pool using two pipes. If the pipe of
larger diameter is used for four hours and the pipe of smaller diameter for
9 hours, only half of the pool can be filled. How long would it take for each
pipe to fill the pool separately ?
Answers
Answered by
3
larger pipe - 8 hours
Smaller pipe - 18 hours
Answered by
2
let the pipe of larger diameter =A
work done in filling half tank =
1/4+1/9
=9+4/36
13/36=half filling of water
full filling =13/72
first pipe time =13/72*4
second pipe time =13/72*9
I hope now you can solve it
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