document.write( "Question 263434: A silversmith mixed 30 g of a 70% silver alloy with 50 g of a 15% silver alloy. What is the percent concentration of the resulting alloy? (Round your answer to the nearest tenth of a percent.) \n" ); document.write( "
Algebra.Com's Answer #194128 by Alan3354(69443)\"\" \"About 
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A silversmith mixed 30 g of a 70% silver alloy with 50 g of a 15% silver alloy. What is the percent concentration of the resulting alloy? (Round your answer to the nearest tenth of a percent.)
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\n" ); document.write( "30*0.7 + 50*0.15 = 80x
\n" ); document.write( "80x = 21 + 7.5 = 28.5
\n" ); document.write( "x = 0.35625
\n" ); document.write( "x = 35.6% Ag
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