Find the Predecessor: What Number Comes Before 35,001?

To solve this problem, we'll follow these steps:

• Step 1: Identify the given information.
• Step 2: Apply the appropriate formula.
• Step 3: Perform the necessary calculations.

Now, let's work through each step:
Step 1: The problem gives us that the number after the unknown number is 35,001.
Step 2: We'll use the formula for finding a predecessor: $\text{Predecessor} = \text{Successor} - 1$.
Step 3: Plugging in our values, we calculate $35,001 - 1 = 35,000$.
Therefore, the solution to the problem is $35,000$.