8 dogs received a chew toy, and five dogs received a rubber ball There are 13 dogs in all. Each of the dogs received either a chew toy or a rubber ball. If three more dogs received a chew toy than a rubber ball, the only possible answer is: 8 dogs received a chew toy, and five dogs received a rubber ball. 8 dogs plus 5 dogs equals 13 dogs in all. And 8 chew toys is three more than five rubber balls.