Question

If 3/x = 5/y , what is the value of y/x ?

Answer 1

$\dfrac{3}{x} = \dfrac{5}{y}$

Cross-Multiply:
$3y = 5x$

Divide by 3 on both sides:
$y = \dfrac{5x}{3}$

Divide by x on both sides:
$\dfrac{y}{x} = \dfrac{5}{3}$