I need someone smart please;
Ashley is wanting to fill her pool for the summer. Her hose will fill the pool in 4 hours. There is a small leak in the pool that would drain a full pool in 120 hours. How long would it take her to completely fill the pool?
Stacey Warren - Expert brainly.com
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Do u have a tablet?
what a smarty pants
I cant read the first line, and the ends of any line because the picture cuts off.
so just zoom out i see it perfectly
i cant zoom out...
Press the control button and minus together
care to explain dnquark?
well, you need to compare two rates. if you know you can fill a pool in 4 hours, that means you can fill 1/4 pools per hour BUT you are losing water at the rate of 1/120 pools per hour. So, the net amount in is that difference, (1/4-1/120) pools per hour. But the problem asks about hours per pool, so you take the reciprocal and get approx. 4.14
its a matter of subtracting rates:
rate In = 1 pool every 4 hrs
rate Out = 1 pool every 120 hrs
Net rate = 1/4 - 1/120 = 30/120 - 1/120 = 29/120
Rate * time = 1 pool
time is reciprocal of rate --> 120/29 = 4.138