Write a percent equation that can be used to solve the following problem: 25 is what percent of 350?

Let x be the unknown percent.

The percent equation is:
x% = (25/350) * 100

To write a percent equation for the problem "25 is what percent of 350?", we can set up the equation as follows:

\(25 = \frac{x}{100} \cdot 350\)

In this equation, x represents the percent we are trying to find.