In fact, there are 54 people on the bus in the topic, and each person costs 8 yuan, but five cars are not enough, so if you take the bus completely, you need at least six cars, and the cost is 432 * 6/287 & gt；; 8.5 yuan therefore needs minibus allocation price difference; After four buses, there are still 7 1 person left. One bus, one minibus or three minibuses is enough. As the cost of a bus is more than twice that of two minibuses, it is better to use three minibuses. 432/204 > This condition means that the cost of each bus is more than twice that of minibuses, so one bus is not as economical as two minibuses-at the same time, when renting minibuses, a combination closer to the number of seats is more suitable;