document.write( "Question 232610: A photographer wishes to mix 2 liters of a 5% acetic acid solution with a 10% solution to get a 7% solution. How many liters of the 10% solution must be added?\r
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document.write( "Thanks so much for your help! \n" );
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Algebra.Com's Answer #171836 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .10x+.05*2=.07(x+5) \n" ); document.write( ".10x+.1=.07x+.35 \n" ); document.write( ".10x-.07x=.35-.1 \n" ); document.write( ".03x=.25 \n" ); document.write( "x=.25/.03 \n" ); document.write( "x=8.333 Liters of 10% acid is used. \n" ); document.write( "Proof: \n" ); document.write( ".10*8.333+.05*2=.07(8.333+5) \n" ); document.write( ".8333+.1=.07*13.333 \n" ); document.write( ".9333=.9333 \n" ); document.write( " \n" ); document.write( " |