Question

15 165
---- = ——
X 330

Cat este X

Answer 1

15/x=165/330
x×165=330×15
x×165=4950
x=30

Answer 2

$\it \frac{15}{x} = \frac{165}{330} = = > \\ \\ \it x = \frac{330 \cdot 15}{165} = = > \\ \\ \it x = \frac{330}{11} = = > \\ \\ \it x = 30$