document.write( "Question 324285: A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 10% cement should he mix with 8 bags of 12.5% cement to produce a mix containing 11% cement. \n" ); document.write( "
Algebra.Com's Answer #232094 by nyc_function(2741)\"\" \"About 
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Let b = bags of cement\r
\n" ); document.write( "\n" ); document.write( "0.10b + 8(0.125) = 0.11(b + 8)\r
\n" ); document.write( "\n" ); document.write( "Can you take it from here?\r
\n" ); document.write( "\n" ); document.write( "I gave you the equation that you'll need to find the answer.
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