Correct Dave takes 20 minutes longer than Carol does to make the 342-mile drive between two cities. Carol drives 3 miles an hour faster. How fast do Dave and Carol drive? (Hint: d = rt, where d is the distance, r is the rate of speed, and t is the time in hours.) Answer Keypad How to enter your answer (opens in new window) Keyboard Shortcuts Dave's speed: miles per hour Carol's speed: miles per hour