Question

А :
A number when decreased by 10%
gives
​

Answer 1

Step-by-step explanation:

А :

A number when decreased by 10%

gives

Answer 2

Step-by-step explanation:

$let \: the \: number \: will \: be \: x \\ on \: dereasing \: by \: 10\% \: number = \\ a\q \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = x - 10\%ofx \: \: \: \\ = x - x \times \frac{10}{100} \: \: \\ = x - \frac{x}{10} \: \: \: \: \: \: \: \: \: \: \: \: \\ = \frac{10x - x}{10} \: \: \: \: \: \: \: \: \: \\ = \frac{9x}{10} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

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