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15 May, 15:18

It took Khalid 90 minutes to complete 40 tasks. Which answer choice is an equivalent rate?

a. 10 tasks 0.9 minutes

b. 10 tasks in 2.25 minutes

c. 10 tasks in 9 minutes

d. 10 tasks in 22.5 minutes

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Answers (2)
  1. 15 May, 16:27
    0
    10 tasks in 22.5 minutes

    Step-by-step explanation:

    90/40

    = 2.25 tasks/minute

    22.5/10

    = 2.25 tasks/minute
  2. 15 May, 17:06
    0
    D

    Step-by-step explanation:

    90/40 is 2.25, so each task takes 2.25 minutes. Therefore, 10 tasks takes 22.5 minutes.
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