=+10.8 Everyday Application: To Join or Not to Join the Local Pool: Where I live, most people do not have swimming pools despite the fact that it gets very hot in the summers. Thus, families, especially those with children, try to find swimming pools in the area. Our local swimming pool offers two ways in which we can get by the entrance guard: We can either purchase a “family pass” for the whole season, or we can pay an entrance fee for the family every time we want to go swimming.