Carol's first grading period has ended. There were six test scores for the grading period; however, she did not record two of her scores. She knows the two unrecorded test scores are the same. The scores she did record were 92, 84, 86, and 94. What score did she earn on each of the two tests if her average score for the period is 90? A. 91
B.90.5
C. 92
D. 91.5