Answer:
201.5x-y=-6
Step-by-step explanation:
−6x−2y=−1618x+6y=48
Collect like terms
-6x+1618x-2y-6y=-48
1612x-8y=-48
Divide through by 8
1612x/8-8y/8=-48/8
There are 13 numbers here:
30, 30, 31, 32, 42, 49, 58, 58, 67, 67, 69, 78, 90.
The median number is the 7th number, which is 58.
I think question cannot be deleted here because I also tried
45tttyhhrghyyyghh76yyttty
