Chad is lining up children's and adult bicycles at the bike shop where he works. The number of children's bicycles is 8 less than 4 times the number of adult bicycles. There are 15 adult bicycles. How many children's bicycles are there?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.