Question

19. A tap can fill a tank in 3 hours. Another tap can empty it in 5 hours
ap can empty it in 5 hours. How long will it take to fill the tank
if all taps are open​

Answer 1

Answer:

3 hours

Step-by-step explanation:

1 st tap =3 hours =1/3

2 nd tap = 5 hours =1/5 hours

3 rd tap= 5 hours(empty) = 1/5 hours

(1/3+1/5)-1/5

(5+3/15)-1/5

8/15-1/5

8-3/15

5/15

1/3=3 hours

Answer 2

Answer:

answer is 3 hours please mark as brainlist