Respuesta :
375, if 5x=125 then you find x which is x=25, and use the equation 15x=y, substitute x so you have 15(25)=y, and y=375.
375, if 5x=125 then you find x which is x=25, and use the equation 15x=y, substitute x so you have 15(25)=y, and y=375.