document.write( "Question 699655: \r
\n" ); document.write( "\n" ); document.write( "how much of a 7% salt solution and a 1% salt solution is needed to make 1 liter of 3% salt solution?
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Algebra.Com's Answer #431483 by checkley79(3341)\"\" \"About 
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
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