document.write( "Question 703781: how many gallons of a 60% antifreeze solution must be mixed with 90 gallons of 15% antifreeze to get a mixture that is 50% antifreeze? use the six step method \n" ); document.write( "
Algebra.Com's Answer #433691 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! What is the \"Six Step Method\"?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Goal is (MainIngredient)/(TotalMixture)=0.50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You do not know how much total mixture will result but you know you start with 90 gallons and that its percentage concentration is 15%, or 0.15 as fraction. You have available a higher concentration material of 60%, or 0.60 as a fraction.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Where the only variable, v, is the gallons of the 60% antifreeze to add. \n" ); document.write( " |