document.write( "Question 1121497: A coal contains 2.4% of water. After drying, the moisture-free residue contains 71.0% carbon. Determine the percentage of carbon on \"wet basis\". All percentage are by weight. \n" ); document.write( "
Algebra.Com's Answer #737395 by josgarithmetic(39617)\"\" \"About 
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p, the percent carbon for the wet basis coal\r
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\n" ); document.write( "\n" ); document.write( "Assuming start with 100 grams of the wet coal\r
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\n" ); document.write( "\n" ); document.write( "\"%28100%2A%280.01%29p%29%2F%28100-2.4%29=0.71\"\r
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