document.write( "Question 347245: Anne and Nancy use a metal alloy that is 20% copper to make jewelry. How many ounces of a 14% alloy and a 24% alloy must be mixed to form 100 ounces of the desired alloy? \n" ); document.write( "
Algebra.Com's Answer #248305 by stanbon(75887)\"\" \"About 
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Anne and Nancy use a metal alloy that is 20% copper to make jewelry. How many ounces of a 14% alloy and a 24% alloy must be mixed to form 100 ounces of the desired alloy?
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\n" ); document.write( "Equation:
\n" ); document.write( "copper + copper = copper
\n" ); document.write( "0.14x + 0.24(100-x) = 0.20*100
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\n" ); document.write( "Multiply thru by 100 to get:
\n" ); document.write( "14x + 24*100 - 24x = 20*100
\n" ); document.write( "-10x = -4*100
\n" ); document.write( "x = 40 ounces (amt of 14% alloy needed in the mixture)
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\n" ); document.write( "100-x = 60 ounces (amt of 24% alloy needed in the mixture)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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