Mailing a letter? simple help?

Question

how many 2 cent stamps do u neeed to mail a letter, it doesnt go out of the state. a few cities away

Answer 1

Mailing a standard letter in the U.S. costs 42 cents.  So you'd need 21 two cent stamps.

Answer 2

Are you in the US?  Then you need 21 one of them to equal 42 cents.  You really needed help to figure that one out???