Alana biked 45 miles in 3 hours. How many miles did she bike per hour?
To find out how many miles Alana biked per hour, you need to divide the total distance she biked (45 miles) by the total time it took her to bike that distance (3 hours).
So, the calculation would be:
45 miles ÷ 3 hours = 15 miles per hour.
Therefore, Alana biked at a rate of 15 miles per hour.