Frank's average speed is the rate of the distance traveled and the time
Frank's average speed is 6.58 miles per hour
How to determine the average speed
The given parameters are:
Distance = 5.3 kilometers
Time = 30 minutes
The average speed is then calculated as:
Average speed = Distance/Time
Substitute known values
Average speed = 5.3km/30 minutes
Convert time to hours
Average speed = 5.3km/0.5 hour
Convert the distance to miles
Average speed = 3.29 miles/0.5 hour
Evaluate the quotient
Average speed = 6.58 miles per hour
Hence, Frank's average speed is 6.58 miles per hour
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