Recently, the price of car wash in Beijing has risen sharply. It is said that the Fifth Ring Inner Card is very tight and small in scale.

Recently, the price of car wash in Beijing has risen sharply. It is said that the Fifth Ring Road is tightly stuck, and all smaller cars are cleared away. It is also required that reclaimed water be supplied. Now the annual card of 2,000 yuan in the car wash shop needs to be washed 45 times.How often do you wash your car?How often do you wash your car?