Syedsyed Syedsyed

28-07-2018
Mathematics

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28-07-2018

[tex] \dfrac{40x}{64y}\div\dfrac{5x}{8y}=\dfrac{40x:8}{64y:8}\cdot\dfrac{8y}{5x}=\dfrac{5x}{8y}\cdot\dfrac{8y}{5x}=1\to D. [/tex]

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