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prealgebra

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can you please help me and help me solve this and show work:

Identify the percent of change as an increase or a decrease. Then find the percent of change.
#1.)
Original:45
New:30
Please help i don't understand how to solve and show work

  • prealgebra -

    45 - 30 = 15

    15/45 = 0.33333 = 33.3%

  • prealgebra -

    thnx

  • prealgebra -

    You're welcome.

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