1. Q: Michael travels 172 miles in 4 hours. Find the unit rate.
2. Q: A man riding a motorbike travels a distance of 285 miles in 6 hours. What is the motorbike's speed in feet per minute?
3. Q: An architect built a scale model of a shopping mall. On the model, a circular fountain is 21 inches tall and 17.5 inches in diameter. If the actual fountain is to be 6 feet tall, what will its diameter be?