Khloe's car used 8 gallons of gas to drive 272 miles. at what rate does her car use gas in gallons per mile? express your answer in simplest form.

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?