document.write( "Question 415667: A saline solution contains 3% salt. How much water should be added to 100 mililiters of this solution to dilute it to a 2% solution?
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Algebra.Com's Answer #291344 by mananth(16946)\"\" \"About 
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---------percent ---------------- quantity
\n" ); document.write( "solution 3%---------------- 100
\n" ); document.write( "water 0%---------------- x
\n" ); document.write( "Total 2%---------------- 100+x\r
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\n" ); document.write( "3*100+0 *x=2(100 +x)
\n" ); document.write( "300=200+ 2x
\n" ); document.write( "-2x=200 -300
\n" ); document.write( "-2x=-100
\n" ); document.write( "/-2
\n" ); document.write( "x=50 milliliter
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