a)
She's writing to ask for more information about the Bed and Breakfast. She wants to know:
- if it is possible to travel easily into the town centre by public transport and how much it costs.
- if it's safe to walk home in the evening.
- if she can get a discount if she stays for the whole month.
b)
- The language is formal.
- You can notice expressions like Dear Sir / Madam, Yours faithfully, etc.
c)
- Dear ...
- I am writing to ask for ...
- I would like to ...; I would like to know if ... ; ... if it is possible to ...
- I look forward to hearing from you.
- Yours faithfully