Question

four fifths of as number is greater than three fourths of the number by 8.Find the number
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Answer 1

Let the number be x .

$\rm\longrightarrow \dfrac{4}{5}x=\dfrac{3}{4}x+8\\\\\longrightarrow \dfrac{4}{5}x-\dfrac{3}{4}x=8\\\\\longrightarrow \dfrac{16x-15x}{5\times4}=8\\\\\longrightarrow x=8\times20\\\\\longrightarrow \bf x = 160$

NUMBER = 160

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