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22 May, 03:54

Mr. Rivera can grade 18 math teat in 15minutes. What is the teachers unit rate?

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  1. 22 May, 04:06
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    In this question, you're trying to find the unit rate in which the teacher can grade tests.

    A unit rate is another word for "rate of change".

    This means that we have to find how many tests the teacher could grade in 1 minute.

    To find the unit rate, divide 18 by 15

    18 : 15 = 1.2

    This means that Mr. Rivera can grade 1.2 tests in 1 minute.

    Answer:

    1.2 tests
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