Respuesta :

[tex]\frac{8}{w}=\frac{56}{105}[/tex]

Multiply both sides by w:

[tex]8=(\frac{56}{105})w[/tex]

multiply both sides by 105:

[tex]\begin{gathered} 8\cdot105=56w \\ 840=56w \end{gathered}[/tex]

Divide both sides by 56:

[tex]\begin{gathered} w=\frac{840}{56} \\ w=15 \end{gathered}[/tex]

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