document.write( "Question 781168: A goldsmith mixed 30 g of a 40% gold alloy with 60 g of a 25% gold alloy. What is the percent concentration of the resulting alloy? (Round your answer to the nearest percent.) \n" ); document.write( "
Algebra.Com's Answer #475805 by josgarithmetic(39617)\"\" \"About 
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Percent of alloy is (Component of interest)/(Total mixture), and then multiplied by 100.\r
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\n" ); document.write( "\n" ); document.write( "Amount of gold = \"30%2A40%2B60%2A25\" which already represents that factor of 100.
\n" ); document.write( "Amount of mixture, alloy = \"30%2B60\"
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