document.write( "Question 452936: a 10% and a 20% salt solution are combined to make 12 gallons of 15% salt solution. How much of each strength solution is required?
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Algebra.Com's Answer #311238 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ----------------quantity \n" ); document.write( "salt solution I 10---------------x lb \n" ); document.write( "salt solution II20---------------12-x lb \n" ); document.write( "Total 15.00% ---------------- 12 \n" ); document.write( " \n" ); document.write( "10x+20(12-x)=15 *12 \n" ); document.write( "10x+240-20x=180 \n" ); document.write( "10x-20x=180-240 \n" ); document.write( "-10x=-60 \n" ); document.write( "/-10 \n" ); document.write( "x=6lb ---10.00% \n" ); document.write( "6lb---- 20.00% \n" ); document.write( " \n" ); document.write( " |