The taxi charging standard of a city is: the starting price is 12.5 yuan, 1.5 yuan per kilometer from 3000 meters to 5000 meters, and 2.5 yuan per kilometer after 5 kilometers If someone takes x (x > 5) kilometers, write down the cost he should pay with algebraic formula 2. If he pays 53 yuan, calculate the distance he takes Please hurry up. It's urgent

The taxi charging standard of a city is: the starting price is 12.5 yuan, 1.5 yuan per kilometer from 3000 meters to 5000 meters, and 2.5 yuan per kilometer after 5 kilometers If someone takes x (x > 5) kilometers, write down the cost he should pay with algebraic formula 2. If he pays 53 yuan, calculate the distance he takes Please hurry up. It's urgent

12.5+2*1.5+(x-5)*2.5=15.5+2.5x-12.5=3+2.5x
2、53=2.5x+3
X = 50 / 2.5 = 20 km