Question

daca 5x=6y atunci 2x / 3y=?

Answer 1

5x=6y=> x=6y/5
2x/3y=[2*(6y/5)]/3y=12y/5*1/3y= 4/5

Answer 2

$5x=6y \Rightarrow \dfrac{5}{2} \cdot 2x = 2\cdot 3y \Rightarrow \dfrac{2x}{3y} = 2 \cdot \dfrac{2}{5} \Rightarrow \\ \\ \Rightarrow \boxed{\dfrac{2x}{3y} = \dfrac{4}{5}}$