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victorialeona81
21.10.2020 •
Mathematics
Scott runs 3 km in 30 minutes and then rests for 15 minutes. He then runs 2 km in 15 minutes. What was Scott's average speed?
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Ответ:
5km/hr
Step-by-step explanation:
Given
Distance = 3km and 2km
Time = 30 mins, 15 mins, 15 mins
Required
Determine the average speed
To answer this, we need to determine the total distance.
Distance =3km + 2km = 5km
Then, we calculate the total time
Time = 30 mins + 15 mins + 15 mins = 1 hr
Next, we can now determine the average speed using:
Average Speed = Total Distance/Total Time
Average Speed = 5km/1 hr
Average Speed = 5km/hr
Ответ: