document.write( "Question 978500: A silversmith has two alloys, one containing 50% silver and the other 30% silver. How much of each should be melted and combined to obtain 400 grams of an alloy containing 42% silver?
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Algebra.Com's Answer #599877 by josgarithmetic(39617)\"\" \"About 
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m, how much 30%
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\n" ); document.write( "\n" ); document.write( "\"%2830m%2B50%28400-m%29%29%2F400=42\"
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