[Solved]: You are an off duty medic

You are an off duty medic. You are shopping at a local grocery store, when an 8 YOF collapses. You are the only medical provider on scene. The patient is pulseless and apneic. Help is on the way. No defibrillator is readily accessible. You have a pocket mask with you. What is the correct intervention? Provide 20 pocket mask ventilations and then begin CPR at 15:2 ratioBegin CPR at a 15:2 ratioBegin CPR at a 30:2 ratioBegin CPR at a 45:4 ratio