If your ad rotation is set to one of the "optimize" options, and there are multiple variations of your text ads within the same ad groups, Adwords will:
Answer - Automatically show the ad within the highest maximum CPC the most often.
If your ad rotation is set to one of the "optimize" options, and there are multiple variations of your text ads within the same ad groups, Adwords will:
If your ad rotation is set to one of the "optimize" options, and there are multiple variations of your text ads within the same ad groups, Adwords will:
Answer - Automatically show the ad within the highest maximum CPC the most often.