In which context will the inequality 4x + 5y > 80 have only integers in its solution set?
A
when x represents prices, in dollars, of adult tickets and y represents prices, in dollars, of student ticketsB
when x represents weights, in pounds, of apples and y represents weights, in pounds, of orangesC
when x represents time, in hours, spent babysitting and y represents time, in hours, working at a bakeryD
when x represents the number of cats and y represents the number of dogs