Michael ate 1 slice of pizza. jessica ate 1 slice. if michael ate 1/3 of the pizza and all the slices were the same size, what fraction of the pizza remained after michael and jessica had eaten?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?