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10-12-2018
Mathematics

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Sophie Ruth is eating a 50-gram chocolate bar with contains 30% cocoa. How many grams of cocoa are in the chocolate bar?

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10-12-2018

The answer is 15 grams. You take 30/100 and ?/50. 50 x 30 = 1500. 1500/ 100 = 15, so 15/50 grams are cocoa.

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