13 S on the A FLetter 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.
13 S on the A F
Answer13 Stripes on the American Flag
Rate Brain Teaser
If you become a registered user you can vote on brain teasers.
Back to Top