tledet24 tledet24 01-03-2020 Mathematics contestada somebody anybody help me please Which of the equations is the correct representation of the following word problem? A student has two grades of 80 and 90. What grade must the student make on the next test to pass the class with a 90-grade average? A. (80 + 90 + z)/3z = 90 B. (80 + 90 + x)/3 = 90 C. (80 + 90 + n)/3 = 100 D. (80 + 90 + 90)/3 = y