Respuesta :

Hrishii

[tex]w=\frac{xv}{ut}[/tex]

Answer:

r = 12

Step-by-step explanation:

[tex]xv=wut\\\\\huge\boxed{w=\frac{xv}{ut}}\\\\\frac{r}{4} -1=2\\\\\frac{r}{4} = 2+1\\\\\frac{r}{4} =3\\\\r = 4\times 3\\\huge\boxed{r = 12}[/tex]

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