document.write( "Question 1040673: Billy-joe purchased a 60 gallon pool for his farm. At 1:00 pm one day Billy-joe placed a hose which filled the pool at a rate of 3 gal/hr. After 10 hours, the horses and cows started drinking the water at a rate of 1 gal/hr. Five hours after that, he noticed the animals and placed a second hose in the pool which filled in at a rate of 2 gal/hr. At what time was the pool finally filled? \n" ); document.write( "
Algebra.Com's Answer #655539 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 3*10=30 gallons after 10 hours \n" ); document.write( "minus 1 gal/hr for 5 hours=25 gallons. \n" ); document.write( "If the animals are still drinking, the pool is effectively filling at 1 gal/hr, 2-1, and it will take 35 more hours to fill. \n" ); document.write( "If the animals aren't drinking, the pool will fill at 2 gal/hour and it will be full in 35/2 hours or 17.5 hours. \n" ); document.write( " |