Question

ma puteti ajuta va rog plssssssssssss​

Answer 1

$\it 2x=7y \Rightarrow \dfrac{x}{y}=\dfrac{7}{2};\ \ \ \dfrac{y}{x}=\dfrac{2}{7} \\ \\ \\ \dfrac{x}{y}+\dfrac{y}{x} = \dfrac{7}{2}+\dfrac{2}{7}=\dfrac{53}{14}$