document.write( "Question 222976: A tank holds 800 gallons of water. The gauge indicates that the tank is ¾ full; then 100 gallons are drained from the tank to fill a pool 7/8 full. Next, 1/3 of a tank of water is added back in. What fraction of the tank is filled with water?\r
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document.write( "I have figured out that 800 gallons = 3/4 full (tank) and that 3/4 = 6/8. I do not know how to solve the problem from here! \n" );
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Algebra.Com's Answer #166827 by Theo(13342)![]() ![]() You can put this solution on YOUR website! A tank holds 800 gallons of water. The gauge indicates that the tank is ¾ full; then 100 gallons are drained from the tank to fill a pool 7/8 full. Next, 1/3 of a tank of water is added back in. What fraction of the tank is filled with water?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let T represent a full tank = 800 gallons of water. \n" ); document.write( "Let P represent a full pool = ???\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3/4 * T - 100 = 7/8 * P\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This formula says that three quarters of the tank minus 100 gallons equals 7/8 of the capacity of the pool.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You are adding 1/3 of a tank of water back in to the tank ?????\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This problem apparently doesn't have anything to do with the pool.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Here's why I think that way.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your tank is 3/4 full meaning it have 800*3/4 = 600 gallons in it.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you drain 100 gallons from it so you are left with 500 gallons in the tank.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you add 1/3 of a tank full of water back into it, so you are adding 800/3 = 266 and 2/3 gallons into it.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "500 + 266 and 2/3 = 766 and 2/3 gallons / 800 = .9583333333 percent full.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in fractions, you would have (2300/3) / (2400/3) which is the same as 2300/2400.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2300/2400 is the same as 23/24 = .95833333333 so your fraction of the tank that is full would be 23/24.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The pool had nothing to do with it other than to add extraneous information as far as I could see.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |