document.write( "Question 1016472: How much pure gold added to 180 ounces of 14-karat gold (14/24 pure) will make 16-karat gold.
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Algebra.Com's Answer #632873 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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How much pure gold added to 180 ounces of 14-karat gold (14/24 pure) will make 16-karat gold.
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\n" ); document.write( "let x = amt of pure gold required
\n" ); document.write( "180(14/24) + x = (16/24)(x + 180)
\n" ); document.write( "105 + x = $\"2%2F3\"$ (x + 180)
\n" ); document.write( "105 + x = $\"2%2F3\"$ x + 120
\n" ); document.write( "x - $\"2%2F3\"$ x = 120 - 105
\n" ); document.write( " $\"1%2F3\"$ x = 15
\n" ); document.write( "multiply both sides by 3
\n" ); document.write( "x = 45 ounces of pure gold \n" ); document.write( "

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