document.write( "Question 346723: Hello theres one question on my alegebra that i just cannot figure it's: How many liters of water must be added to 30liters of a 20% alcohol solution to dilute it to a 15% solution? \n" ); document.write( "
Algebra.Com's Answer #247923 by nerdybill(7384)\"\" \"About 
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How many liters of water must be added to 30liters of a 20% alcohol solution to dilute it to a 15% solution?
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\n" ); document.write( "Let x = liters of water to add
\n" ); document.write( "then
\n" ); document.write( "\"amt of alcohol at start\" = \"amt of alcohol at end\"
\n" ); document.write( ".20(30) = .15(30+x)
\n" ); document.write( "6 = 4.5+.15x
\n" ); document.write( "1.5 = .15x
\n" ); document.write( "1.5/.15 = x
\n" ); document.write( "10 liters = x
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