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Maths Puzzle
Numerical Ability
A racetrack measures 5 miles long. If an automobile completes the track in exactly 4 minutes, what is its average rate of speed in miles per hour?
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book Other Question
One car travels 40 km/hr faster than another. while one travels 150 km the other goes 350km. Find the speed of the slower car.
___km/hr
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(Please show steps and explain):
Susan drove 3.35 hours at a rate of 50 miles per hour. To the nearest tenth, how long would it take her to drive the same distance at a rate of 45 miles per hour?