9 is what percentage of 30 ?

Answer

To solve the question "9 is what percentage of 30?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to find out what percentage 9 is of 30. This can be expressed mathematically as:
\[ 9 = x\% \text{ of } 30 \]
This can be rewritten as:
\[ 9 = \frac{x}{100} \times 30 \]

2. **Set Up the Equation**: From the above expression, we can set up the equation:
\[ 9 = \frac{x}{100} \times 30 \]

3. **Multiply Both Sides by 100**: To eliminate the fraction, multiply both sides of the equation by 100:
\[ 900 = x \times 30 \]

4. **Divide Both Sides by 30**: Now, divide both sides by 30 to isolate x:
\[ x = \frac{900}{30} \]

5. **Calculate x**: Perform the division:
\[ x = 30 \]

6. **Conclusion**: Therefore, 9 is 30% of 30.

### Final Answer:
9 is 30% of 30.

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