Stephanie was wrong when D.) SHE ADDED THE COST OF THE HAIRCUT TO HER BALANCE.
Whenever you issue a check, you deduct the amount from the balance of your checking account. When you deposit a check or cash, you add the amount to your balance.
In this way you can monitor the inflow and outflow of you cash so that you can stay within your budget.

Now you have 2 case

and

Solve


Solve

Minus 4 on both sides

The answers are x1=0 and x2=-4
The chance is 1 out of 3. The fraction is ⅓ or 1 over three.
It is tiring to type this again but... hope this helps.
The answer for this question is 37/40
Answer:
Would be perpendicular to the line on the graph