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21 August, 04:46

Which of the following is not a rate?

A. doing 45 crunches in 1 minute

B. paying $3.15 for 1 gallon of gas

C. folding 6 loads of laundry in 3 days

D. walking 4 miles in 1 hour

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Answers (2)
  1. 21 August, 06:18
    0
    C

    Step-by-step explanation:

    Usually rate is determined as a distance over time, where the time is a unit. In other words, we have "1" of the time (for example, 1 hour, 1 second, 1 gallon, etc).

    Look at each answer choice:

    A: doing 45 crunches in 1 minute

    This is definitely a rate because the time (1 minute) is a unit.

    B: paying $3.15 for 1 gallon of gas

    Again, this is considered a rate because you're paying $3.15 per gallon.

    C: folding 6 loads of laundry in 3 days

    We can see this isn't a rate because the time is 3 days, not 1. So C is the answer.

    D: walking 4 miles in 1 hour

    This is a rate because our time is 1 hour.

    The answer is C.
  2. 21 August, 08:24
    0
    C. folding 6 loads of laundry in 3 days

    Step-by-step explanation:

    folding 6 loads of laundry in 3 days means, 6/3 = 2 loads of laundry per day.

    Rate is 2 per day
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