How many sides are in this triangular pyramid ?

Find the area of the triangle shown 3 by 6

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?

Im so bad at fractions they are not my best math thing to work on