Answer:
Below.
Step-by-step explanation:
37+8= 45
45-8=37
so 45.
148
Average = sum of numbers /total numbers
let x = 5th number
123.2 = (118+ 128 + 124,+ 98 + x) / 5
123.2 = (468 + x) / 5
Multiply both sides by 5
616 = 468 + x
x = 148
The answer to this problem is 5.
here you go
