BCastro07 BCastro07

07-02-2020
Mathematics

contestada

When a number is decreased by 79%, the result is 13. What is the original number to the nearest tenth?

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AlexTrusk AlexTrusk

07-02-2020

If a number is decreased by 79%, we are left with 21%.

so let's devide by 21 to get down to 1%, then multiply by 100 to get to the origininal number:

13 / 21 * 100 = 61.9047619048

To the nearest tenth it's 61.9

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