document.write( "Question 422585: How much 58% antifreeze solution and 45% antifreeze solution should be combined to give 39 gallons of 54% antifreeze solution? \n" ); document.write( "
Algebra.Com's Answer #319575 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 39x.54=21.06 \n" ); document.write( "p+q=39 \n" ); document.write( ".58p+.45q=21.06 \n" ); document.write( "58p+45q=2106 \n" ); document.write( "45p+45q=1755 \n" ); document.write( "13p=351 \n" ); document.write( "p=27 \n" ); document.write( "q=12 \n" ); document.write( "You need 27 gallons of 58% solution and 12 gallons of 45% solution.. \n" ); document.write( " |