Step-by-step explanation:
I. x - y = 4 --> y = x - 4
II. x + y = 4 --> y = 4 - x
Solution is x = 4 and y = 0
Both the mean and median
Median 80+88= 168/2= 84%
Mean 504/6= 84%
73%,
76%,
80%
88%,
90%,
97%,
Answer:
26.1 repeated
Step-by-step explanation: