Answer:
[tex]\large\boxed{x=\dfrac{4}{5}=0.8}[/tex]
Step-by-step explanation:
[tex]\dfrac{5}{2}=\dfrac{2}{x}\qquad\text{cross multiply}\\\\5x=(2)(2)\\\\5x=4\qquad\text{divide both sides by 5}\\\\\dfrac{5x}{5}=\dfrac{4}{5}\\\\x=\dfrac{4}{5}\to x=0.8[/tex]
