Respuesta :

gmany

[tex]Domain:x\neq0\\\\\dfrac{2.5}{x}=\dfrac{10}{12}\qquad|\text{cross multiply}\\\\10x=(2.5)(12)\\\\10x=30\qquad|\text{divide both sides by 10}\\\\\boxed{x=3}\in D[/tex]

Answer:

3

Step-by-step explanation:

use the scissors method

2.5 multiply by twelve is 30

x multiply by 10 is 10x

so,      10x = 30

divide both sides by ten to find x

so, 10X/10 = 30/10

x=3


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