Известна функция спроса на товар Z: D = 80 - 6Р и функция предложения этого товара S = -20 + 4Р. Определите: 1) Равновесную цену

1) The phrase "Mind the Gap" means  warning about the "gap" between a carriage and the platform.

2) No, it doesn't.

3) The phrase originated on the Northern Line.

4) The legend about "Mind the Gap" is humorous.

5) No, I don't.

Если выбирайте как лучшее

1) What does the phrase "Mind the Gap" mean when you hear it in the Underground?
ответ: That phrase means warning about the "gap" between a carriage and the platform.

2) Does the phrase have any other meaning? What is it?
ответ: Yes, of course. It's synonymous with London.

3) From where does the phrase originate?
ответ: The phrase originated on the Northern Line.

4) It the legend about "Mind the Gap" true / terrifying / humorous?
ответ:  There are few stories. One of them is true. One of them is humorous.
если конкретно только о той, что указана в тексте, то ответ такой
 The legend about "Mind the Gap" is humorous. 

5) Do you know any similar legends about the place where you live? 
ответ: No, I don't know.