Respuesta :

jsparkle19272

Answer:

K=3

Step-by-step explanation:

I think so, if I’m wrong I’m sorry

xenia168

Answer:

Step-by-step explanation:

[tex]\frac{9}{12}[/tex] = [tex]\frac{k}{k+4}[/tex]

12k = 9(k + 4)

12k - 9k = 36

3k = 36

k = 12

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