The height of a distance marker is 8 2/13 feet. 4/5 of the pole is painted white and rest is painted blue. how much of the pole is painted white? how much of the pole is painted blue?

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?