Establish your Criteria: Willie needs to consider choosing a cheaper mode of transportation. Choose 2 to 4 good options: Willie could take the bus or he could take a cab to the school trip. Find the pros and cons: Taking a bus is much cheaper than paying his friend to take him, but the trip will be take longer, and you could meet some very weird people on the bus. Taking a cab will be quicker than his friend or the bus, but it will be more costly.