Answer:
8p +56 +16q
Step-by-step explanation:
8 (p+7+2q)
If we distribute the 8 into everything in the parenthesis, we get:
Multiply the average by the number of exams to find total points:
8 x 55 = 440
9 x 60 = 540
The score of the 9th exam is the difference between the two totals:
540 - 440 = 100
They scored a 100
(n x -5) - 2