document.write( "Question 1133860: A metallurgist has one alloy containing 21% copper and another containing 36% copper. How many pounds of each alloy must he use to make 44 pounds of a third alloy containing 33% copper? (Round to two decimal places if necessary.\r
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\n" ); document.write( "\n" ); document.write( "_______ pounds of alloy containing 21% copper\r
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Algebra.Com's Answer #751105 by josgarithmetic(39617)\"\" \"About 
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x of the 36%
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\n" ); document.write( "\n" ); document.write( "\"36x%2B21%2844-x%29=33%2A44\"\r
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