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
Answer:
800
Step-by-step explanation:
Hope it helps you out
-sammy
Solve for a.
6 = a / 4 + 2
Subtract 2 from both sides.
4 = a / 4
Multiply both sides by 4.
16 = a
Hope this helps!
Answer:
8
Step-by-step explanation:
12x+120=24// 12x=96//x=8
hope this helps
