document.write( "Question 529818: A tank contains 20 gallons of antifreeze solution. When it is full, it contains 15% antifreeze. How many gallons must be replaced by an 80% antifreeze solution to get 20 \n" ); document.write( "
Algebra.Com's Answer #349757 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A tank contains 20 gallons of antifreeze solution. When it is full, it contains 15% antifreeze. How many gallons must be replaced by an 80% antifreeze solution to get 20 \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "alcohol - alcohol + alcohol = alcohol \n" ); document.write( "0.15*20 - 0.15x + 0.80x = ?*20 \n" ); document.write( "------------- \n" ); document.write( "You post does not state the % of alcohol in the final solution. \n" ); document.write( "============== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |