Hello! Why is my popcorn has 90 calories for 1 cup, but 260 for 3? Where are the 10 calories missing? Thank you 🙂
In: 1
The numbers are not exact but rounded
The US rules are 50 calories and less are rounded to the nearest 5 calories inclement. Above 50 it is to the nearest 10. Rules around the world is similar if not the same. There is a reason the calorie number always ends with a 5 or a 0
I did not look up the exact rounding rules like if 65 should be rounded to 60 or 70, let’s ignore that.
The result is that 90 calories can be 85-95 calories and 260 can be 255-265.
If we divide the higher range by 3 we get 85 – 88.3. This means for one serving the real number is rounded up to 90 but for 3 it can be rounded up or down to 260.
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