SOLUTION: a bathtub contains 20 gallons of water and is filling at a rate of 2.4 gallons per minute but the drain is open and water drains at a rate of 3.1 gallons per minute when will you d

Question 777639: a bathtub contains 20 gallons of water and is filling at a rate of 2.4 gallons per minute but the drain is open and water drains at a rate of 3.1 gallons per minute when will you discover the bathtub is empty?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add the rate that the tub is filling to
the rate that it is emptying
------------------------
Let = time in minutes to empty the tub
I can say:

Note that the means that I end up
draining the tub and not filling it

| min

The bathtub is empty in 28 min 34 sec

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