Agirl borrowed $1,860 to buy a computer. she will pay it back over 2.5 years with a 6% interest rate. how much will she pay total for the computer?

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?