document.write( "Question 1157076: How much pure gold (24K) must be mixed with 70% gold to get 30 grams (g) of 80% gold? Express in decimal form rounded to one decimal place. \n" ); document.write( "

Algebra.Com's Answer #779872 by josgarithmetic(39618) $\"\"$ $\"About$

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g of 100%
\n" ); document.write( "30-g of 70%\r
\n" ); document.write( "\n" ); document.write( " $\"100g%2B70%2830-g%29=80%2A30\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"100g-70g%2B70%2A30=80%2A30\"$
\n" ); document.write( " $\"g%28100-70%29=30%2880-70%29\"$
\n" ); document.write( " $\"highlight_green%28g=30%28%2880-70%29%2F%28100-70%29%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"g=30%281%2F3%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28g=10%29\"$ \n" ); document.write( "

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