### Brain Teasers

# 45 = S of A S P I

Letter-Equations
Letter Equations are well known phrases or facts where the key words have been replaced with the first letter of that word. These are often in the form of an equation, which contain a number, an = sign and the rest of the obscured phrase or fact.Letter-Equations

45 = S of A S P I

### Hint

look at your phone or calculator### Answer

45 = Sum of All Single Positive IntegersHide Hint Show Hint Hide Answer Show Answer

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## Comments

Wouldn't that be Infinity? Since integers are unlimited?

Nevermind, I'm tired LOL

Actually, you're right, the sum would be infinity - at least without 'single'. Therefore I take it 'single' is supposed to mean 'single digit'. Unfortunately, it does not.

AARG I coulda got that!

Great teaser!

Great teaser!

Clever teaser.

I play kakuro, so this was easy!

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