document.write( "Question 1074195: find the selling price per ounce of a face cream mixture made from 70 oz of face cream that costs $4 per oz, and 30 oz of face cream that costs $15 per ounce
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Algebra.Com's Answer #688903 by josmiceli(19441) $\"\"$ $\"About$

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[ cost ] = [ cost/ounce ] x [ ounces ]
\n" ); document.write( " $\"+70%2A4+=+280+\"$
\n" ); document.write( " $\"+30%2A15+=+450+\"$
\n" ); document.write( " $\"+280+%2B+450+=+730+\"$
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\n" ); document.write( "The selling price is $730
\n" ); document.write( " $\"+730%2F%28+70+%2B+30+%29+=+730%2F100+\"$
\n" ); document.write( " $\"+730%2F100+=+7.3+\"$
\n" ); document.write( "The selling price per ounce is $7.30
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