A dolphin swims 665,280 feet in 3 hours. Use the formula d = it, where d represents distance, r represents rate, and t represents time, to answer the
following questions. Show your work.
Part A: Rearrange the distance formula, d = it, to solve for rate. (2 points)
Part B: Find the dolphin's rate in feet per hour. (3 points)
Part C: Find the dolphin's rate in miles per hour. (3 points)
Part D: Which unit, feet, or miles, makes more sense to use in this scenario, and why? (2 points)