Question

English grammar letter writing ​

Answer 1

Answer:

Formal letters often begin with Dear Sir/Madam. If you know the name of the person you are writing to, use it instead of the impersonal Sir/Madam. In formal and semi-formal letters, it is common to put a colon after Dear X. In informal letters you can put a comma or nothing at all.

Answer 2

Answer:

above answer is correct...go with that