Respuesta :

nikato
y varies directly as x means this equation : y=kx

given y=36 and x=9, plug it into the equation to find k
          36 = 9k, so k=?
             k=4

so now you have your equation y=4x
and you're trying to find y given x=5
so
y= 4(5) so y=?

Otras preguntas