A number increases by 10%, and then decreases by 10%. will the result be greater than, less than, or equal to the original number? explain.

Question

Mathematics

Muhammad Gray

11 September, 16:27

A number increases by 10%, and then decreases by 10%. will the result be greater than, less than, or equal to the original number? explain.

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Answers (2)

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Esteban Wade · Answer 1

It may be a bit wired, by the resultant is less than original number!

you can prove by taking any number, and if you want to know how, comment!

Kareem Brady · Answer 2

It would be less then I believe. An example would be: 20 x. 1 = 2, 2+20 = 22, 22 x. 1 = 2.2, 22-2.2 = 19.8

You would end up with 19.8 when you started with 20