SOLUTION: Grace rides her horse 90 km in 270 minutes. What is her average speed in kilometers per hour?

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Question 1099835: Grace rides her horse 90 km in
270 minutes. What is her average speed
in kilometers per hour?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
270 minutes/60 minutes/hour=4.5 hrs
90 km/4.5 hrs=20 km/h
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