document.write( "Question 715948: A gasoline tank is 1/4 full. After adding 10 gallons of gas the gauge now indicates, the tank is 2/3 full. What is the capacity of the tank.\r
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document.write( "I get that 2/3 = 10 gallons and that by going from 1/4 to 2/3 means that that 10 gallons was close to half of the tanks capacity. Please help me see what I am doing wrong? \n" );
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Algebra.Com's Answer #439662 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A gasoline tank is 1/4 full. After adding 10 gallons of gas the gauge now indicates, the tank is 2/3 full. What is the capacity of the tank. \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "Let \"x\" be the capacity of the tank. \n" ); document.write( "---- \n" ); document.write( "(1/4)x + 10 = (2/3)x \n" ); document.write( "----- \n" ); document.write( "Multiply thru by 12 to get: \n" ); document.write( "3x + 120 = 8x \n" ); document.write( "5x = 120 \n" ); document.write( "x = 24 gallons (capacity of the tank) \n" ); document.write( "========================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |