Question

repejor vrg , si sa fie poza vrggg

Answer 1

$\frac{25x}{2y}=\frac{625}{100}\\</p><p>\\ \Rightarrow 2y \cdot 625=100 \cdot 25x \\</p><p>\\ y=\frac{100 \cdot 25x}{625 \cdot 2}\\</p><p>\\ y=\frac{50 \cdot 25x}{625}=\frac{2\cdot x}{1}\\</p><p>\\ y=2\cdot x \Rightarrow x/y=\frac{1}{2}$