A person travels for two hours at 30 miles per hour on horseback and then travels for one hour at 15 mph. What is the person's average speed?A person travels for two hours at 30 miles per hour on horseback and then travels for one hour at 15 mph. What is the person's average speed?

25 mph

Explanation:

The average speed is the ratio of the total distance traveled to the total time taken to cover that distance. It is given by the formula:

Average speed = total distance / total time taken

The distance traveled on the horseback = velocity * time = 30 mph * 2 h = 60 miles

The second distance traveled = velocity * time = 15 mph * 1 h = 15 miles

The total distance traveled = 60 miles + 15 miles = 75 miles

The total time taken = 2 hr + 1 hr = 3 hr

Hence, the average speed = 75 miles / 3 hr = 25 mph

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