How many minutes does a 75 km journey take at a steady 100 km/h?

Answer and explanation

Correct answer: D. 45 minutes

  1. Step 1: Time = distance / speed = 75 / 100 hours. Step 2. 75 / 100 x 60 = 45 minutes. Answer: 45 minutes. Why not the others: 75 minutes: 75 reads the decimal hours as minutes. 55 minutes: 55 adds ten minutes that the question does not mention. 80 minutes: 80 turns the fraction upside down.

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