document.write( "Question 432753: how many gallons of a 60% antifreeze solution must be mixed with 70 gallons of 30% antifreeze to get a mixture that is 50% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #307624 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! .60x+.30x70=.5(x+70) \n" ); document.write( ".6x+21=.5x+35 \n" ); document.write( ".1x=14 \n" ); document.write( "x=14/.1=140 \n" ); document.write( "You need 140 gallons.. \n" ); document.write( " |