To find percent composition, you should first find the total of all of the components. Just add them all together:
Then, divide the amount of the component you are interested in, in this case, chocolate (50g), by the total amount to give:
This will give you the answer in decimal form, but to convert to a percent, you need to multiply by 100:
Therefore, the answer choice that is correct is A.
Then, divide the amount of the component you are interested in, in this case, chocolate (50g), by the total amount to give:
This will give you the answer in decimal form, but to convert to a percent, you need to multiply by 100:
Therefore, the answer choice that is correct is A.