Answer:
61.11% of sugar in the bar
Explanation:
The milk chocolate bar weighs 18.00g. In these 18.00g, there are 11.00g of sugar present.
Now percentage is 100 times the ratio between mass of sugar and mass of chocolate:
Percentage: 11.00g Sugar / 18.00g Milk Chocolate * 100
61.1111% of sugar in the bar
With two decimal places: