To produce 10 shirts, the total cost is $80; to produce 11 shirts, the total cost is $99. the average total cost of the 11th shirt is equal to

Which statement was true in the past but is not generally true today? a. the training and education costs for some jobs will prohibit some people from entering that career be b. young people tend to go into the same job that their parents and grandparents did see c. people need a basic level of education before they meet requirements to professional schools d. people will probably have more than one job in their active working lives