The average speed is 8 miles/hour
Step-by-step explanation:
The course is 2/5 of a mile long, this means it is 0.4 miles long.
Distance covered in 4 laps will be ; 4×0.4=1.6 miles
Time taken to cover the four laps = 12 minutes = 12/60 hours = 0.2 hrs
Average speed = Distance/ time
Average speed = 1.6/0.2 = 8 miles/hour
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Average speed :brainly.com/question/5898263
Keywords: average, speed, laps, course, miles per hour, competition
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