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Авансом рабочий получил 81 рубль, что состовляет 45% его заработной платы. Какова заработная плата рабочего?

Зарание спасибо !!!

Помогите пожалуйста! Очень срочно! Вставте слова(tourists tickets
performance cities
box - offices musicals
matinees area )на месте пропусков(ОДНО СЛОВО ЛИШНЕЕ):

П Most British (1) have a theatre, but London has the greatest number. There are over 50 theatres in
London’s West End, the (2) in London with most theatres, and about 35 smaller fringe theatres. In recent
years, (3) have been very successful. About 5.5 million people, many of them (4), go to see a musical every
year in London. Going to the theatre in London is not only popular, but also expensive. Not many young
people can afford to go. It’s possible to get cheaper (5) by going to afternoon performances called (6) or by
buying stand-bys, half-price tickets which are sold half an hour before a (7) starts.