document.write( "Question 27219: How much pure salt must be added to to 25 grams of a 12% salt solution to make it a 20% solution. I am having a very hard time trying to figure this problem out. Thanks for your help.\r
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Algebra.Com's Answer #853733 by josgarithmetic(39732)\"\" \"About 
You can put this solution on YOUR website!
x amount of pure salt to add\r
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\n" ); document.write( "\n" ); document.write( "\"%280.12%2A25%2Bx%29%2F%2825%2Bx%29=0.2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2B0.12%2A25=0.2%2825%2Bx%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2B0.12%2A25=0.2%2A25%2B0.2x\"\r
\n" ); document.write( "\n" ); document.write( "\"x-0.2x=0.2%2A25-0.12%2A25\"\r
\n" ); document.write( "\n" ); document.write( "\"x%281-0.2%29=25%280.2-0.12%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=25%28%280.2-0.12%29%2F%281-0.2%29%29\"\r
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