Dr. kremepuff gives 3 midterm exams. he drops the lowest score and gives each student his/her average score on the other two exams. gertie is taking his course and has a 60 on her first exam. let x2 be her score on the second exam and x3 be her score on the third exam. on a graph with x2 on the horizontal axis and x3 on the vertical, draw gertie’s indifference curve that passes through the point (x2, x3) = (50, 70).