document.write( "Question 129259:
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document.write( "Sharon has a bottle containing 45 mililiters of 15% HCI solution and a bottle of 35% HCI solution. She wants a 25% solution. How much of the 35% solution myst be added to the 15% solution so that a 25% concentration is created?
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Algebra.Com's Answer #94461 by checkley71(8403) ![]() You can put this solution on YOUR website! 45*.15+.35X=.25(45+X) \n" ); document.write( "6.75+.35X=11.25+.25X \n" ); document.write( ".35X-.25X=11.25-6.75 \n" ); document.write( ".1X=4.5 \n" ); document.write( "X=4.5/.1 \n" ); document.write( "X=45 ML OF 35% NEEDS TO BE ADDED. \n" ); document.write( "PROOF: \n" ); document.write( "45*.15+.35*45=.25(45+45) \n" ); document.write( "6.75+15.75=.25*90 \n" ); document.write( "22.5=22.5 \n" ); document.write( " |