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29 September, 16:12

Ms. Graves gave her class 18 minutes to read. Carrie read 6 1/2 pages in that time. At what rate, in pages per hour, did Carrie read?

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  1. 29 September, 18:44
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    Carrie read at a rate of 21 2/3 pages per hour

    Step-by-step explanation:

    1. Let's review the information given to us to answer the question correctly:

    Time Ms. Graves gave her class to read = 18 minutes

    Number of pages Carrie read in 18 minutes = 6 1/2 pages

    2. At what rate, in pages per hour, did Carrie read?

    Rate = Number of pages/Time given

    For getting the exact rate per hour, we should use the Rule of Three Simple, this way:

    Number of pages in 60 minutes * 18 = 6 1/2 * 60

    Number of pages in 60 minutes = (6.5 * 60) / 18

    Number of pages in 60 minutes = 390/18 = 21.67 or 21 2/3

    Carrie read at a rate of 21 2/3 pages per hour
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