document.write( "Question 408053: A contractor mixes concrete from bags of pre-mix for small jobs. How many bags of 3% cement should he mix with 5 bags of 28.2% cement to produce a mix containing 12% cement.\r
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Algebra.Com's Answer #287515 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
this is a standard solution format for the majority of mixture problems\r
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\n" ); document.write( "\n" ); document.write( "x(3%) + 5(28.2%) = (x + 5)(12%)\r
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