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31 March, 12:06

Select all that apply.

Debra usually works 16 hours a week, but this week she worked 22 hours. What is the change in her hours?

an increase of 6 hours

an increase of 37.5%

an increase of 27.3%

a decrease of 6 hours

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Answers (1)
  1. 31 March, 12:28
    0
    If you would like to know the change in Debra's hours, you can calculate this using the following steps:

    x% of 16 hours is 22 hours

    x% * 16 = 22

    x/100 * 16 = 22

    x = 22 * 100 / 16

    x = 137.5%

    137.5% - 100% = 37.5%

    22 hours - 16 hours = 6 hours

    The correct result would be: an increase of 6 hours, and an increase of 37.5%.
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