Answer:
Caroline’s average speed (in mph) is 66 2/3 mph
Explanation:
Speed x time = distance
Caroline’s speed is unknown, so we can call that x. The distance she drove was 350 miles, and the time it took her was 5 1/4 hours.
X • 5 1/4 = 350
350 divided by 5 1/4 = 66 2/3
X = 66 2/3