Respuesta :
4+10+14+18+22+22=90
90/6=15
(If you add 15)
4+10+14+18+22+22+15=105
105/7=15
Value 15 can be added
90/6=15
(If you add 15)
4+10+14+18+22+22+15=105
105/7=15
Value 15 can be added