A recipe for lasagna calls for 4 lbs of tomatoes to serve 9 people. A caterer wants to make enough lasagna to serve 115 people. How many lbs of tomatoes does he need

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?