document.write( "Question 722556: I have a problem that I need help with if possible. How many ounces of pure chocolate must be added to 120 ounces of chocolate topping that is 50% chocolate to make a topping that is 70% chocolate? \n" ); document.write( "
Algebra.Com's Answer #442780 by josgarithmetic(39620)\"\" \"About 
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How much of pure matter must be added to 120 units of mixture that is 50% matter to make a mixture that is 70% of this matter?\r
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\n" ); document.write( "\n" ); document.write( "Let y = pure matter to add\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28%28120%2A0.50%2By%29%2F%28120%2By%29=0.70%29\", and solve for y.
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