Question

if 15% of x =20% of y​

Answer 1

then what mate??? complete the question

Answer 2

$\dfrac{3x}{20} = \dfrac{y}{5}\\\\\\\implies 15x = 20y\\\\\implies 15x - 20y = 0\\\\\implies 5(3x - 4y) = 0\\\\\implies \boxed{3x - 4y = 0}$