If a can of coke has 39 grams of sugar and that amount of sugar equals 151 calories, how come the coke has 139 calories? What happens to the missing equivalent of kcal?

Question

If a can of coke has 39 grams of sugar and that amount of sugar equals 151 calories, how come the coke has 139 calories? What happens to the missing equivalent of kcal?

In: 7307

Answer 1

Companies are allowed to round by like…10 to 20%. And can then round it further to the nearest 5, if they so choose.

Iirc*