Respuesta :

Answer:

(2.5a, 2b) your welcome

Step-by-step explanation:

credit to: swerzin https://brainly.com/question/20863183

Answer:

(2.5a, 2b).

Step-by-step explanation:

Use the formula ( x1 + x2)/2 , (y1 + y2)/2

So here we have:

(a + 4a)/2,  (b + 3b)2

= (2.5a, 2b).