Plz me with these word problemkelly is trying to watch her money in the bank. this week, she deposited $120 that was gift for her birthday, but she also made 4 withdrawals of $50. what is the overall change to her account?

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?