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28 September, 19:32

during the first second of take off a rocket travelled 208 km in 50 mins at a constant rate suppose a penny is dropped from a skyscraper and could travel 153 km in 1/2 an hour at a constant rate which of these have a faster unit rate per hour? how much faster?

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  1. 28 September, 20:55
    0
    The penny : - 56.4 km/hr faster.

    Step-by-step explanation:

    Rate per hour of the rocket = (208 * 60) / 50 = 249.6 km/hr.

    Rate per hour for the penny = 153 * 60 / 30 = 306 km/hr.

    The penny travels faster by 306 - 249.6

    = 56.4 km/hr.
  2. 28 September, 22:19
    0
    56.4 km / hr is the answer
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