document.write( "Question 304835: A 30-gallon solution is 80% salt. How much pure water must be added to produce a solution that is 60% salt? \n" ); document.write( "
Algebra.Com's Answer #218348 by ankor@dixie-net.com(22740)\"\" \"About 
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A 30-gallon solution is 80% salt.
\n" ); document.write( "How much pure water must be added to produce a solution that is 60% salt?
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\n" ); document.write( "Let x = amt of water required
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\n" ); document.write( ".8(30) = .6(x+30)
\n" ); document.write( "24 = .6x + 18
\n" ); document.write( "24 - 18 = .6x
\n" ); document.write( "6 = .6x
\n" ); document.write( "x = \"6%2F.6\"
\n" ); document.write( "x = 10 gallons of water required
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\n" ); document.write( "Check
\n" ); document.write( ".8(30) = .6(40)
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