Use the problem solving process to solve these problems. For this set of questions, research or make educated estimates for any unknown information needed to answer the question. Document your steps and thinking.
You want to travel from Portland, OR to San Francisco, CA for a wedding. Compare the costs and time involved with driving, flying, and taking a train. Assume that if you fly or take the train you’ll need to rent a car while you’re there. Which option is best?
Lee et al., Math in Society, §1.5 Problem Solving, Exercise 31