The predecessor of `-99` is

Options

A. `-98`
B. `-100`
C. `98`
D. `100`

Answer

To find the predecessor of -99, we follow these steps:

1. **Understand the concept of predecessor**: The predecessor of a number is the number that comes just before it. For negative numbers, this means we subtract 1 from the given number.

2. **Identify the number**: In this case, the number we are working with is -99.

3. **Subtract 1 from -99**:
\[ -99 - 1 = -100 \]

4. **Final answer**: Therefore, the predecessor of -99 is -100.

### Step-by-step solution:
1. Start with the number: -99.
2. To find the predecessor, subtract 1:
\[ -99 - 1 = -100 \]
3. The result is -100.