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26 November, 10:47

It took Jimena 89 minutes to run a 15-kilometer race last weekend. If you know that 1 kilometer equals 0.621 mile, how many minutes did it take Jimena to run 1 mile during the race? Round your answer to the nearest hundredth.

3.68 minutes

9.55 minutes

9.88 minutes

24.15 minutes

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Answers (1)
  1. 26 November, 14:29
    0
    The answer is 9.55 minutes

    1. Turn 15 km into miles:

    1 km = 0.621 mile

    15 km = 15 * 0.621 mile = 9.315 miles

    So, she ran 9.315 miles for 89 minutes

    2. Calculate how many minutes it took Jimena to run 1 mile during the race:

    S he ran 9.315 miles for 89 minutes.

    She ran 1 mile for x minutes.

    9.315 mi : 89 min = 1 mi : x

    x = 89 min * 1 mi / 9.315 mi

    x = 9.55 min
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