Question

A cold tap can fill a bath in 6 minutes while a hot water tap can fill it in 12 minutes. The drainage pipe can empty the bath in 8 minutes. All three taps are opened fully for 3 minutes and the hot water tap closed. How many more minutes will it take to fill the bath.​

Answer 1

Answer:

1/6 =work rate of cold water tap

1/8=work rate of hot water tap

1/10=work rate of drain

let x=minutes to fill tub when both taps and drain are open

..

x/6+x/8-x/10=100%=1

LCD:120

20x+15x-12x=120

23x=120

x=120/23 ≈5.22 minutes

ans:

Time it takes to fill tub when both taps and drain are open=5.22 minutes

Explanation:

l hope it will help u ☺️✌️☺️

Answer 2

Answer:

5.22 minutes is the final answer.

Sorry answered in short.

Thanks for following :-D

Hope it helps.

✌️Santa19 ✌️