document.write( "Question 602315: Chemist mixes 200 ml of solution that is 15% salt with 300 ml that is 40% salt. What percent salt is resulting solution? \n" ); document.write( "
Algebra.Com's Answer #380197 by nerdybill(7384)\"\" \"About 
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Chemist mixes 200 ml of solution that is 15% salt with 300 ml that is 40% salt. What percent salt is resulting solution?
\n" ); document.write( "Let x = percent salt of resulting solution
\n" ); document.write( "then
\n" ); document.write( ".15(200) + .40(300) = x(200+300)
\n" ); document.write( "30 + 120 = x(500)
\n" ); document.write( "150 = x(500)
\n" ); document.write( "150/500 = x
\n" ); document.write( "0.30 = x
\n" ); document.write( "or
\n" ); document.write( "30% = x
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