Determine the simple interest.​ (The rate is an annual rate unless otherwise stated. Assume 360 days in one​ year.) pequals
​$775​,
requals
4.25​%,
tequals
90
days round to the nearest cent as needed

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?