document.write( "Question 1141137: a contractor mixes concrete from bags of premix for small jobs. How many bags with 6% cement should he mix with 4 bags of 9.5% to produce a mix containing 7% cement
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Algebra.Com's Answer #761669 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
A duplicate or close to it more than once.\r
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