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54 miles per hour

SOLUTION

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1 hr and 20 minutes = 1 and 20/60 hours = 1 1/3 hours = 4/3 hours

72 miles travelled in 4/3 hours

therefore divide 72 by 4/3 to see how far travelled in 1 hour

72 / (4/3) = 72 * (3/4) = 54 miles in 1 hour

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Mr Hoffman a science teacher drove ten miles to school from home in twenty minutes he drove the ten miles home in thirty minutes his average velocity is what?

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Related Questions

How do you find the average velocity in ms of a bicycle that starts 150 meters north of town and is 1200 meters north of town in 30.0 minutes?

You divide the distance traveled by the time.


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