y is what percentage of x ?

Explanation

To solve the question "y is what percentage of x?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to find out what percentage \( y \) is of \( x \). This means we want to express \( y \) in terms of \( x \) as a percentage.

2. **Set Up the Equation**: We can express \( y \) as \( P \) percent of \( x \). Mathematically, this can be written as:
\[
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