document.write( "Question 280773: how much water should be added to 30gallons of a solution that is 70% antifreeze in order to get a mixture that is 60% antifreeze? thank you \n" ); document.write( "
Algebra.Com's Answer #204068 by Grinnell(63)![]() ![]() ![]() You can put this solution on YOUR website! 30(.70)=(30+x).60 \n" ); document.write( "x is the amount of water added, in gallons. \n" ); document.write( "30 +x is the final amount of solution, in gallons. \n" ); document.write( "Again we multiply by 100, removing the decimal. \n" ); document.write( "2100=1800+60x \n" ); document.write( "300=60x \n" ); document.write( "5=x so 5 gallons should be added. \n" ); document.write( " |