SOLUTION: Use the formula distance = speed x time to find at what speed in km per hour you must travel to complete a journey of 84 000 metres in 210 minutes.

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Question 1097766: Use the formula distance = speed x time to find at what speed in km per hour you must travel to complete a journey of 84 000 metres in 210 minutes.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
at what speed in km per hour you must travel to complete a journey of 84 000 metres in 210 minutes.
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84000 meters = 84 km
210 minutes = 3.5 hours
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To find km/hr, divide the kms by the hours.