Respuesta :
(192+214+250+x)/4=225
 solve for x
(656 + x)/4= 225
656+x = 225*4
656 + x = 900
x = 900 - 656
x= 244
 solve for x
(656 + x)/4= 225
656+x = 225*4
656 + x = 900
x = 900 - 656
x= 244