document.write( "Question 921838: How many ounces of pure chocolate must be added to 230 oz of chocolate topping that is 50% chocolate to make a topping that is 75% chocolate? \n" ); document.write( "

Algebra.Com's Answer #559239 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = oz of pure chocolate to be added
\n" ); document.write( " $\"+.5%2A230+=+115+\"$ oz of pure chocolate in 50% chocolate
\n" ); document.write( " $\"+%28%28+x+%2B+115+%29%29+%2F+%28%28+x+%2B+230+%29%29+=+.75+\"$
\n" ); document.write( " $\"+x+%2B+115+=+.75%2A%28+x+%2B+230+%29+\"$
\n" ); document.write( " $\"+x+%2B+115+=+.75x+%2B+172.5+\"$
\n" ); document.write( " $\"+.25x+=+57.5+\"$
\n" ); document.write( " $\"+x+=+230+\"$
\n" ); document.write( "230 oz must be added
\n" ); document.write( "----------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28%28+x+%2B+115+%29%29+%2F+%28%28+x+%2B+230+%29%29+=+.75+\"$
\n" ); document.write( " $\"+%28%28+230+%2B+115+%29%29+%2F+%28%28+230+%2B+230+%29%29+=+.75+\"$
\n" ); document.write( " $\"+345+%2F+460+=+.75+\"$
\n" ); document.write( " $\"+345+=+.75%2A460+\"$
\n" ); document.write( " $\"+345+=+345+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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