Alice and Bob are two friends. They want to buy two cars, one for Alice and one for Bob. That's why they come to a car shop. Alice wants to move faster. So, she wants to purchase the fastest car. On the other hand, Bob wants safety first. So, he wants to purchase the slowest car. They also want to spend the least money possible. So, if multiple cars are fulfilling their speed requirement, they will choose the one among them that has the lowest PricePricePrice.
This is a companion discussion topic for the original entry at https://toph.co/p/car-selection