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An airplane flies in a straight line between two cities that are separated by 840 kilometers. If it takes 4 hours for the airplane to make the trip, what is its average speed?

An airplane flies in a straight line between two cities that are separated by 840 kilometers. If it takes 4 hours for the airplane to make the trip, what is its average speed?
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An airplane flies in a straight line between two cities that are separated by 840 kilometers. If it takes 4 hours for the airplane to make the trip, what is its average speed?

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User Erik Tjernlund
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2 Answers

7 votes
210 kilometers per hour
answered
User Chyna
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8.3k points
6 votes
210 kilometers. You can do this by taking the distance divided by the time. In this case it would be 840/4 which would be 210 kilometers an hour.
answered
User Scztt
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8.1k points
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