Answer:
Approximately 45,455 total employees.
Explanation:
So the company has 13,500 employees in one country. And this represents 29.7% of the company's employees.
In other words:

The left represents the number of employees in one country over the total number.
And the right is the decimal form of 29.7%. Simply move the decimal two places to the left and remove the percent symbol.
So, to solve for the total, multiply both sides by it first. The left side cancels:

Now, divide both sides by 0.297. The right side cancels:

Use a calculator.

So, there is approximately 45,455 total employees.