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7 November, 02:09

Karl needs 15 minutes to do 10 questions. He needs to do 45 questions. how long will it take him?

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  1. 7 November, 05:55
    0
    67.5

    15 divided by 2 is 7.5

    15x4 = 60

    60+7.5 = 67.5
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