document.write( "Question 321481: How many ounces of an alloy containing 30% gold on the world market must be added to 10 ounces of an alloy containing 5% to produce an alloy containing 20% gold? \n" ); document.write( "

Algebra.Com's Answer #471034 by modi.kk91(20) $\"\"$ $\"About$

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bye method of allegation mixture= n1/n2=A2-A/A-A1
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\n" ); document.write( " A1= 5% A2= 30%\r
\n" ); document.write( "\n" ); document.write( " 20%
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\n" ); document.write( " 30-20 20-5
\n" ); document.write( " n1 =10 n2 =15
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\n" ); document.write( "\n" ); document.write( "ratio =10:15=2:3\r
\n" ); document.write( "\n" ); document.write( " now 2:3::10:x\r
\n" ); document.write( "\n" ); document.write( " 2/3=10/x
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\n" ); document.write( " x=15\r
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