Mathematics, 12.01.2021 02:10 googoo4

Jessica melts 200 grams of dark chocolate that contains 60% of cocoa and mixes it with 200 grams of milk chocolate that contains 30% of cocoa. How much cocoa is in the resulting mixture?

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Jessica melts 200 grams of dark chocolate that contains 60% of cocoa and mixes it with 200 grams of...