Find the coordinates of the intersection of the diagonals of parallelogram GHJKGHJK with vertices G(1,3), H(2,1), J(−1,−5),G(1,3), H(2,1), J(−1,−5), and K(−2,−3)

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?