Charge additional people based on age
Use age groups when you need to charge different amounts for adults and children. Add as many or few age groups as you need. Leaving either the Start or End blank will make them unbounded in that direction.
Adults 13 and up, Children 3 - 12
Adults 13 - 65, Children 3 and younger
This will not work
Adults 13 and up, Children 3 - 13