Problema Solution
to receive an A grade, a student must average 100 or less but no more than 93. If Noah received an A in the course and had five grades of 92,92,100,81 and 96 before taking the final exam, what were the possible grades for his final if there were 100 points possible? (Assume all six grades are weighted equally.)
Answer provided by our tutors
let 'x' represent the grade Noah received on his final, there were then a total of six equally-weighted tests
93 <= (92+92+100+81+96+x)/6 <= 100
97 <= x <= 100
Noah scored between 97 and 100 on his final exam