Question 72
Let $f$ be a function satisfying
$$
f(xy) = \frac{f(x)}{y}
$$
for all positive real numbers $x$ and $y$. If $f(500) = 3$, what is the value of $f(100)$?
$$
f(xy) = \frac{f(x)}{y}
$$
for all positive real numbers $x$ and $y$. If $f(500) = 3$, what is the value of $f(100)$?