document.write( "Question 236048: how many kilograms of water must be added to 10 kg of a 75% antifreeze solution in order to produce a 50% solution? \n" ); document.write( "
Algebra.Com's Answer #173803 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how many kilograms of water must be added to 10 kg of a 75% antifreeze solution in order to produce a 50% solution? \n" ); document.write( "---------------------------------- \n" ); document.write( "Let \"x\" be the amount of water added. \n" ); document.write( "Equation: \n" ); document.write( "alcohol + alcohol = alcohol \n" ); document.write( "0.75(10) + 0(x) = 0.50(10+x) \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "75*10 = 50*10 + 50x \n" ); document.write( "50x = 25*10 \n" ); document.write( "x = 5 kg (amount of water needed in the mixture) \n" ); document.write( "==================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |