document.write( "Question 903144: Write an equation in terms of x that determines how much water should be added to x liters of an 18% acid solution to reduce the concentration to 15% \n" ); document.write( "

Algebra.Com's Answer #548011 by richwmiller(17219) $\"\"$ $\"About$

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from view of acid
\n" ); document.write( "x*0.18=0.15*(x+y)
\n" ); document.write( "or from view of water
\n" ); document.write( "1*y+0.82*x=0.85(x+y)
\n" ); document.write( "y is acid x is water
\n" ); document.write( " \n" ); document.write( "

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