A truck driver must be complete a 180-mile trip in 4 hours. If his average speed is 50 miles per hour for first 3 hours, then how fast must he travle for the final hour?

গণিত Time and Distance 07 Oct, 2020

প্রশ্ন A truck driver must be complete a 180-mile trip in 4 hours. If his average speed is 50 miles per hour for first 3 hours, then how fast must he travle for the final hour?

  • ক.
    25
  • খ.
    35
  • গ.
    40
  • ঘ.
    30

সঠিক উত্তর

30

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