tap x can fill a empty tank 6 hours and tap y can fill the tank in 5 hours. botj taps are opened together. after 2 hours , tap y is closed. how long will tap x take the fill the remaining tank
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Answer:
Your answer is 1 hour 36 minutes
Step-by-step explanation:
Tank X
In 1 hour it fills 1/6th of the tank
Tank Y
In 1 hour it fills 1/5 of the tank
Adding these,
11/30th fills in 1 hour
1 part fills in 30/11 hours
In 2 hours the two taps fills 22/30th part
Now tap y stops
Part left 1 - 22/30 = 8/30
Tap X
1 part fills in 6 hour
8/30 part fills in 8/5 hours.
8/5 hours = 1 hours and 36 minutes.
Hope that helps you.
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