Mike's withdrawals will be treated as negative numbers.
Since Mike withdrew $60 three times, use the following equation to find the change in his balance:

The change in Mike's account balance will be
-$180.
Correct - wrong percentage
-------------------- = ---------------
wrong 100
68 - 60 x
--------- = ----
60 100
8 x
---- = ----
<span>60 100
</span>800 60x
----- = ----
60 60
13.3% = x
45 12/25 I think that is it
6x - 2 = x + 13
Subtract x
5x - 2 = 13
Add 2
5x = 15, x = 3
Solution: the number is 3