Ten minutes after a plane leaves the airport, it is reported that the plane is 80 miles away. What is the average speed of the plane, in miles per hour?
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To find the average speed of the plane, we need to use the formula:
Average Speed = Total Distance / Total Time
In this case, we are given that the plane is 80 miles away from the airport after 10 minutes. To convert the time to hours, we divide it by 60 (because there are 60 minutes in an hour):
Total Time = 10 minutes / 60 = 0.1667 hours (approximately)
Since the plane is 80 miles away, we can now calculate the average speed:
Average Speed = 80 miles / 0.1667 hours
Performing the calculation:
Average Speed = 480 miles per hour
Therefore, the average speed of the plane is approximately 480 miles per hour.