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The taxi charging standard of something is shown in the table below: the fuel surcharge for the part exceeding the starting price during the period is 9 yuan per kilometer and 2.4 yuan per kilometer during the day Then, there will be an additional fuel surcharge of 1 yuan for each ride. At night (23:00 ~ 5:00 the next day), there will be an additional fuel surcharge of 9 yuan for each kilometer, 2.7 yuan for each kilometer, and 1 yuan for each ride. Q: Uncle Wang arrived at the hospital from home at 1:00 in the morning, and paid 23.5 yuan by taxi?
(23.5-1-9)/2.7+3=8km
Taxis in Shenzhen start at 10 yuan, more than 2 kilometers, 2.4 yuan per kilometer. In addition to the taxi fare, passengers also have to pay 3 yuan for fuel
1. Xiao Ming's driving distance is B km, which is expressed by algebraic formula
2. On the day of national day, Xiao Ming takes a taxi from his home to the window of the world and pays 37 yuan for the taxi. How many kilometers is the journey from his home to the window of the world?
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Ask a big brother to help
1. When B is less than or equal to 2 km, that is 10 + 3 yuan
When B is greater than 2km, that is the fare to be paid (b-2) * 2.4 + 10 + 3
2. According to the above formula, you can calculate the distance of 12 kilometers when you pay 37 yuan
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