document.write( "Question 819226: how much alcohol should be added to 1 liter of a 30% alcohol solution to get a 50% solution? \n" ); document.write( "

Algebra.Com's Answer #492978 by richwmiller(17219) $\"\"$ $\"About$

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.30(1)+x=.5*(1+x)
\n" ); document.write( ".3+x=.5+.5x
\n" ); document.write( ".5x=.2
\n" ); document.write( "x=.4\r
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