document.write( "Question 262871: How much water must be boiled away to increase the concentration of 300 gallons of a salt solution from 2%-3%? \n" ); document.write( "
Algebra.Com's Answer #193678 by ankor@dixie-net.com(22740)\"\" \"About 
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How much water must be boiled away to increase the concentration of 300 gallons of a salt solution from 2%-3%?
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\n" ); document.write( "Let x = amt of water that has to boil away\r
\n" ); document.write( "\n" ); document.write( ".02(300) = .03(300-x)
\n" ); document.write( "6 = 9 -.03x
\n" ); document.write( ".03x = 9 - 6
\n" ); document.write( ".03x = 3
\n" ); document.write( "x = \"3%2F.03\"
\n" ); document.write( "x = 100 gallons
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