Question

it takes 12 hours to fill a swimming pool using two different size step simultaneously. if the bigger tap is used of 4 hours and the smaller tap for 9 hours only half of the pool is filled. how long would it take for each tap alone to fill the pool fully ?

Answer 1

I can tell u how can be do it double the hours of two pipes end from 12hours and y how to mines one pipe of speed from 12hous

Answer 2

I hope this helps you