Tina is getting ready to take the final exam for MAT 143. Her averages before the final exam are given. Test average= 68; Hand in assignment average = 75; MML average = 90. The test is 60% of the grade, Hand in assignment is 10% of the grade, MML is 10% of the grade and the Final exam is 20% of the grade.

A. What should she score in the final exam to make a B (minimum 80) in the class? Note that the maximum you can earn in the final exam is 100 points.

B. What should she score in the final exam to make a (minimum 70) in the class? Note that the maximum points you can earn in the final exam is 100 points.