At summer camp, carly teaches arts and crafts to children in groups of 19. sharon teaches children to swim in groups of 9. while talking, carly and sharon discover that they have the same total number of students. what is the smallest number of students each summer camp counselor could have?

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.