Marco bicycles 20 miles in 2 1/2 hours. What is the average rate in miles per hour?

The average rate in miles per hour is 8 miles per hour

Step-by-step explanation:

In this question, we are concerned with finding what Marco's average rate is, if he cycles 20 miles in 2 1/2 hours

For calculation simplification, we should know that 2 1/2 hours is same as 2.5 hours

Now mathematically, the average speed = Distance/Time

Thus, our disgrace here is 20 miles and our time taken to cover this distance is 2.5 hours

Thus, the average speed = 20/2.5 = 8 miles/hour