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27 October, 06:05

Molly spent 1 hour and 30 minutes swimming 5 laps in the river. If it took her the same time to swim each lap, how long would it take her to swim 7 laps?

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  1. 27 October, 06:24
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    126 minutes or 2 hours and 6 minutes

    Step-by-step explanation:

    Find how long it took her to swim one lap

    1 hour and 30 minutes = 90 minutes

    90/5 = 18

    This means it took her 18 mins to swim each lap

    18 · 7 = 126

    It took her 126 minutes/2 hours and 6 minutes to swim 7 laps
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