How can a writer be brief when writing professional letters?

a. by adding background information
b. by writing a concise letter that addresses your purpose
c. by adding wordy phrases
d. by avoiding words that end in "-ize" or "-tion"

The correct answer is B. By writing a concise letter that addresses your purpose.

Explanation

A professional letter is a formal document that is used in business or formal context to inform, request or ask for some information. This different from informal letters should include only formal, easy-to-read and concise language; in this way, the message is as clear as possible and the receiver can respond to it ppropriately. In terms of conciceness, the best is to write a brief letter with only a few paragraphs that address or explain the main purpose and avoid repetition, wordy sentences or unnecessary detail. So, the correct answer is B. By writing a concise letter that addresses your purpose

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a.