This Crazy Math Trick Can Guess Your Age Correctly 100% of the Time | 22 Words

Math can do a lot of things, as we all know. It can be used to explain music, get people on the moon, and just help us tally up our spare change at the end of the day.

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But using some creatively simple arithmetic, we'll learn below that math can also lead to some surprisingly personal findings....like your age!

Let's start simple: Pick a number between one and ten.

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Now, multiply that number you chose by two.

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Then, just add five to THAT number. Got it?

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Now, multiply that sum by fifty. Go ahead and use a calculator for this step if you need or want to...

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Here's a fun twist: If you've celebrated your birthday this year already, add 1767. If you HAVEN'T yet celebrated your birthday, skip that step altogether and move to the next one.

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If you haven't yet celebrated your birthday this year, add 1766 instead.

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The final step: Subtract the year you were born (1985, for example) from the number you had.

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Now, you'll be left with a three-digit number. The first digit will be the number you picked in step one, and the last two will be your age.

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Now that you know how it works, can you work backward and figure out how it was done? THAT'S the tricky part.