Tipping The British Tourist Authority gives the following summary of usual practice. There are no fixed rules and the amount you give can reflect whether you feel you have received good or only average service. Hotels: many hotel bills include a service charge, usually 10-12.5%, but in some larger hotels, 15%. Where a service charge is not included, it is usual to divide 10-15% of the bill among the staff who have given a good service. Porterage (搬运) : 20p per suitcase (包). Taxis: 10-15% of the fare. Hairdressers: 50p plus about 50p to the assistant who washes your hair. Theatres/cinemas and petrol(gas) tips are not expected. stations The summary of usual practice on tipping is given by (46) . When the hotel bill does not include a service charge, it is usual to give (47) of the bill to the service persons. When you have your hair cut in a shop, you should give (48) to the hair dressers and the assistant. When you receive service at a gas station, you should leave (49) tips. The amount you give can not show whether you receive (50) service.