math

April is training for a marathon by running no less than 55 km per week. She runs at an average rate of 10 km per hour. What is the minimum number of hours, h, she should run?

10h ≥ 55; h ≥ 5.5; 5.5 hours
10h ≤ 55; h ≤ 5.5; 5.5 hours
h over ten > 55; h > 5.5; 5.5 hours
h over ten < 55; h < 5.5; 5.5 hours

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  1. 10 h >/= 55
    so
    h >/= 5.5

    the top one, assuming she runs an average speed for the week :)

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