Respuesta :
we know that the average isÂ
(192 + 214 + 250 + X)/4 = 225
thenÂ
X = 244Â
Don needs a score of 244 to obtain an average of 225
(192 + 214 + 250 + X)/4 = 225
thenÂ
X = 244Â
Don needs a score of 244 to obtain an average of 225