A plain chocolate bar weights 40 grams. It contains 12 grams of fat. A milk chocolate bar is 30 gram

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A plain chocolate bar weights 40 grams. It contains 12 grams of fat. A milk chocolate bar is 30 grams. It contains 10 grams of fat. Which chocolate bar has the highest proportion of fat?

Calculate the proportion of fat grams for each chocolate bar:

• Plain chocolate: 12/40 = 3/10 = 30%
• Milk chocolate: 10/30 = 1/3 = 33%

Milk chocolate has the higher proportion of fat grams.