Think of a number between 10 and 20.

Add the two digits together. Example 11 (1+1=2).

Subtract the new number from your original number.

Finally, subtract 5 from the remainder.
Remember your answer.

Imagine every letter of the alphabet has a number
associated with it (A = 1, B = 2, etc.).Think of the LETTER associated
with your number, and click here.