She has to sell at least 30k more than the #2 song on iTunes (Live Your Life) and she will be number 1 on billboard hot 100..
So, total points for WYL is looking to be 280. Total for LYL is looking to be 380. LYL is the threat if these numbers hold true.
Womanizer will have about 30 mil AI + ?? in sales. She will need to sell at least 350 K to grab the number one spot correct? That is a tall order. We'll see though