Applied Math

I was reading a nutrition forum where I found a post by a guy who figured out an easy way to tell if a packaged food is high fat or low fat. This method is so easy, you can do the math in your head.

A food is considered “high fat” if more than 20% of its calories come from fat.

A food is considered “low fat” if less than 20% of its calories come from fat.

So, here is this cool, do-the-math-in-your-head method for figuring out if a food is high or low fat:

1. Multiply the calories from fat by 5
2. Compare the result from #1 to the Total Calories.

If the result from #1 is more than the Total Calories, the food is high fat.

If the result from #1 is less than the Total Calories, you have a low fat food.

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3 thoughts on “Applied Math”

  1. What is really stunning about that simplicity is that is that other people have not see it, it seems so “right there”. I mean if the nutritionists are always talking about “part of the calories” and 20% is one fifth, then why not ask yourself what happens when you make this “one fifth” whole, does it match up with the “other whole”.

  2. The thing is most people are so afraid of fractions they’d never make the connection.


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