An inlet pipe on a swimming pool can be used to fill the pool in 15 hours. The drain pipe can be used to empty the pool in 20 hours. If the pool is filled and then the inlet pipe and drain pipe are opened, how many more hours would it take to fill the pool? Round your answer to two decimal places, if needed. _ hours

30 hours i think

Step-by-step explanation:

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Step-by-step explanation:

If both lines are open the rate of filling is:

Since tank is 1/3 full we need to fill the remaining 2/3 of it.

Time required:

idk but i found this "the graph of y = f(x-2) is the graph of y = f(x) translated two units rightward.  

so, since the point (9,2) lies on the graph of y = f(x), the point (11,2) lies on the graph of y = f(x-2)."

step-by-step explanation:

link is

i got 86 for this

hope this !

if you need an explanation just ask