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Select the correct answerA part of the Journey is covered in 31.5 minutes at 80 km/h and the remaining part in 16 minutes at 75 km/h. The total distance of the journey is?Options38 km45 km62 km54 km

Question

Select the correct answerA part of the Journey is covered in 31.5 minutes at 80 km/h and the remaining part in 16 minutes at 75 km/h. The total distance of the journey is?Options38 km45 km62 km54 km

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Solution

To solve this problem, we need to convert the speed from km/h to km/min because the time is given in minutes.

  1. Convert the speed from km/h to km/min:

    • 80 km/h = 80/60 km/min = 1.33 km/min
    • 75 km/h = 75/60 km/min = 1.25 km/min

  2. Calculate the distance covered in each part of the journey:

    • First part: Speed * Time = 1.33 km/min * 31.5 min = 41.895 km
    • Second part: Speed * Time = 1.25 km/min * 16 min = 20 km

  3. Add the distances together to get the total distance:

    • Total distance = 41.895 km + 20 km = 61.895 km

Rounding to the nearest whole number, the total distance of the journey is approximately 62 km. So, the correct answer is 62 km.

This problem has been solved

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