In a relay race, 5 friends ran an equal share of the distance. the total distance of the race was 3 miles. what is the distance that each friend ran? pls answer in fraction; ) tks

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?