Chemistry, 07.04.2021 02:50 angelashaw449

28. A runner completes a 10 km run in about 30 minutes. What was the runner's average speed in km/h? Hint: (60 minutes = 1 hr)
a. 10 km/hr
c. 20 km/hr
b. 15 km/hr
d. 30 km/hr

Answers: 3

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28. A runner completes a 10 km run in about 30 minutes. What was the runner's average speed in km/h...