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⟩ Suppose a car is traveling at 72kmph, and if that car slows down to 60kmph it takes an extra 1 hour to cover that same distance. at 72kmph, how long did it take for the car to cover that distance?

The answer is 5 hrs. The description is below.

D/72 + 1.0 = D/60

12 D = 72 x 60

D = 72 * 5 = 360 km

t= 360 / 72 = 5 hrs

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