Add the amount withdrawn from the end Balance then subtract the 2 deposits shown here, the end result would be his initial deposit. $123.90
You have to go through your x-axis and up or down you y-axis and then determine if the end point are on the right plot form
9514 1404 393
Answer:
17/99
Step-by-step explanation:
Replace the digits 23 in your example with the digits 17 and you have your answer:

_____
In general, a 2-digit repeat will have 99 as its denominator. If the digits are a multiple of 3 or 11, then the fraction can be reduced. 17 is prime, so the fraction cannot be reduced.