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How long (in seconds) would it take a car to travel 75 m if its speed was 100 km/hr?
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How long (in seconds) would it take a car to travel 75 m if its speed was 100 km/hr?

User PlTaylor
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Since 1000m=1km, we have 100000m/hr for the car. 75/100000 gets the fraction of how long in an hour it would take. Since there are 60*60=3600 seconds in an hour, we multiply 75/100000 by 3600 to get 2.7 seconds
User Damian Busz
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