Which speed is the fastest? a 18 feet in 20 minutes b 90 feet in 2.5 hours c 20 yards in 1.5 hours d 3 2/3 yards in 15 minutes

To solve, put each answer in terms of ft/min. Do this by converting all distances to feet and times to minutes, the dividing feet by minutes. A)  ft/min. B) To get 2.5 hrs to mins, multiply by 60.     ft/min. C) To get feet from yards, multiply yards by 3.        ft/min. D)     ft/min. Now compare the fractions to determine the largest and fastest is 9/10 ft/min, or A.

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