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13-10-2016
Mathematics

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Fifteen times a number subtracted from 80 is 25

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olemakpadu olemakpadu

13-10-2016

Let the number be x.

15 times the number = 15x

This is subtracted from 80, 80 - 15x

80 - 15x = 25

-15x = 25 - 80

-15x = -55

x = -55 / -15

x = 11/3

So the number is 11 / 3.

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