Respuesta :

Answer:

310

Step-by-step explanation:

Find the average of the 2 numbers, by adding them and dividing the result by 2, that is

[tex]\frac{259+361}{2}[/tex] = [tex]\frac{620}{2}[/tex] = 310 ← middle number

adrijausa

Answer:

The number is 310

Step-by-step explanation:

361 - 259 = 102

102 divided by 2 is 51

259 + 51 = 310