A school plans to organize 385 teachers and students to rent a car. It is known that the rental company has bus No.42 and bus No.60, and the rent of bus No.42 is 60 people per 320 yuan.

Set up 42-seat passenger cars and rent X cars, and rent 60-seat passenger cars (8-x cars).

According to the meaning: 42x+60(8-x)≥385,

Solution: x≤55 18,

The integer solution that meets the meaning of the question is: x=5,

That is, renting five 42-seat buses and three 60-seat buses costs 2980 yuan.

Just renting a 42-seat bus costs 10 car, which costs 3200 yuan.

Just renting a 60-seat bus costs 7 cars and 3220 yuan.

A: It is the most economical to rent five 42-seat buses and three 60-seat buses.