SOLUTION: you bike from your house to school, covering a distance of 4km in 20min. What is your average speed?

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Question 285379: you bike from your house to school, covering a distance of 4km in 20min. What is your average speed?
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
20 min = 20/60 = 1/3 hr

d=rt
4=r(1/3)
r=12

Answer: 12 kph