Answer:
22+17=39*2=19.5
Step-by-step explanation:
so basically u have to count how much number that they give and in this problem we have nine so we cross the first and last the second and before last and keep going and we left with two in the middle we can't cross one out or cross both so we have it and when u had it you will get 39 and you must divided by two and your answer is 19.5
