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21 April, 07:59

A school janitor has mopped 1/3 of a classroom in 5 minutes. At what rate is he mopping?

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Answers (2)
  1. 21 April, 08:34
    0
    0.06 of the floor mopped per minute
  2. 21 April, 08:56
    0
    Answer: 1/15 classrooms per minute

    Step-by-step explanation:

    Find the janitor's rate in classrooms per minute. Divide

    1/3

    of a classroom by 5 minutes.

    To divide by 5, multiply by its reciprocal, 1/5

    .

    1/3 : 5 = 1/3 * 1/5 = 1/15

    The janitor is mopping at a rate of 1/15 of a classroom per minute.
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