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document.write( "how much of a 7% salt solution and a 1% salt solution is needed to make 1 liter of 3% salt solution? \n" );
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Algebra.Com's Answer #431483 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .07X+.01(3-X)=.03*3 \n" ); document.write( ".07X+.03-.01X=.09 \n" ); document.write( ".06X=.09-.03 \n" ); document.write( ".06X=.06 \n" ); document.write( "X=.06/.06 \n" ); document.write( "X=1 LITER OF 7% SOLUTION IS USED. \n" ); document.write( "3-1=2 LITERS OF 1% SOLUTION IS USED. \n" ); document.write( "PROOF: \n" ); document.write( ".07*1+.01*2=.03*3 \n" ); document.write( ".07+.02=.09 \n" ); document.write( ".09=.09 \n" ); document.write( " |