Respuesta :

BasketballEinstein

Answer:

[tex]x = 4[/tex]

Step-by-step explanation:

The common ratio is 3, so whatever is done to the bottom is done to the top. Since [tex]\frac{15}{3} = 5[/tex], [tex]\frac{12}{3} = 4 → 4 = x[/tex].

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