document.write( "Question 1056698: How many pounds of chemical need to be added to 250 lbs of water to make a concentration of 21% \n" ); document.write( "
Algebra.Com's Answer #671797 by josgarithmetic(39617)\"\" \"About 
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How much chemical? x
\n" ); document.write( "How much mixture? x+250
\n" ); document.write( "Percent Concentration Wanted? 21%, or as decimal, 0.21.\r
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\n" ); document.write( "\n" ); document.write( "\"x%2F%28x%2B250%29=0.21\"
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