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calculate speed,if john travels 220km for 2 hour 30 minutes ,your answer must be in km per hour

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asked by karabo
  1. first convert the time given in hours.
    2 hours & 30 min = 2.5 hours
    then recall that speed is just distance traveled over time, or
    v = d/t
    substituting,
    v = 220/2.5
    v = 88 km/hr

    hope this helps~ :)

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    posted by Jai

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