How many rescue breath for 8 year old CPR?

For an 8-year-old during CPR, the recommended ratio is 1 rescue breath for every 30 chest compressions if you are performing hands-only CPR. If you are performing CPR with rescue breaths, the ratio is 2 rescue breaths followed by 30 compressions. Each rescue breath should last about 1 second and make the chest rise visibly. Always ensure that the airway is clear before delivering breaths.