Respuesta :

Panoyin
[tex]\frac{72}{120} = \frac{9}{y} \\\frac{3}{5} = \frac{9}{y} \\9 * 5 = 3 * y \\45 = 3y \\\frac{45}{3} = \frac{3y}{3} \\15 = y[/tex]
72/120=9/y
cross multiply numerators and denominators
72×y=9×120
72y=1080
y=1080/72= 15

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