36 * (1/2)-1* 3 = 51yuan
In the above answer.
1) The time should be 25 minutes, so the boarding time is changed to 10:20.
2) The starting price is not the unit price, so the unit price should be increased to 1.8 yuan/km.
According to the topic calculation:
(36/2-1) *1.8+3 = 30.6+3 = 33.6 yuan.