Answer:
+ 50
Step-by-step explanation:
The question requires you to understand how negative and positive numbers are used to represent real-world situations. In the area of currency, a deposit, a gain, above and a credit are taken as positive where as the word below, debit, loss, fee and withdraw are taken as negative.
For example;
- A deposit of $100 is : +100
- A fee of $4 is : -4
- A withdraw of $30 is : -30
- Loss of $87 is : -87
- A gain of $75 is : +75
