Step-by-step explanation:
4
Add all to get 32
Divide by the number of items which is 8
answer =4
Answer: it goes up like 10,20,30,40
Step-by-step explanation:
Answer:
The number is 86
Step-by-step explanation:
Let the number be
, then the reverse is 
The sum of the reversed number and the original number is 154,

We simplify this to get:
....eqn(1)
If the ones digit in it is 2 less than the tens digit, then
....eqn(2)
Putt equation (2) in (1)





Put x=8 in the second equation:

The original number is 86