Radha earns 22% of her investment. If she earns Rs 187, then how much did she invert?

Explanation

To find out how much Radha invested, we can follow these steps:

### Step 1: Understand the relationship between earnings and investment
Radha earns 22% of her investment. This means that if we let her total investment be represented by \( x \), then her earnings can be expressed as:
\[ \text{Earnings} = 22\% \text{ of } x = \frac{22}{100} \times x \]

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