Answer:
I need to see the graphs
Step-by-step explanation:
3y - y + 8 - 2 = 20
3y - y = 2y
8 - 2 = 6
2y + 6 = 20
2y = 20 - 6
y = 10 - 3
the answer is: y = 7
79 is 4 below 83 so her next grade needs to be 4 above in order to get an average of 83. The answer is 87.
