Ireally need . i do not understand this math question; ?
"a roast beef sandwich contains 18g of fat, and a slice of pizza contains 25g of fat. if you choose to eat pizza at lunch instead of a roast beef sandwich, what percent greater is your fat intake? round to the nearest whole number percent."

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.