The function $f$ satisfies
$$f(xy) = \frac{f(x)}y$$
and $f(30) = 20$.
Find $f(40)$.
2026-04-19 03:21:17.1776568877
function f satisfies f(xy) = f(x)/y , f(30) = 20. Find f(40)
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$f(40) = f(30 \cdot 4/3) = f(30) \cdot 3/4 = 15$