Respuesta :

angelikipana

[tex]h + \frac{11}{12} = 120 \times \frac{1}{2 } \\ h = \frac{120}{2} - \frac{11}{12} \\ h = 60 - \frac{11}{12} \\ h = \frac{720}{12} - \frac{11}{12} \\ h = \frac{709}{12} [/tex]

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