Answer:
approximately 75%
Explanation:
To calculate the percent increase from 52 to 91, you can use the formula:
\[\text{Percent Increase} = \left( \frac{\text{New Value} - \text{Original Value}}{\text{Original Value}} \right) \times 100\]
In this case:
\[\text{Percent Increase} = \left( \frac{91 - 52}{52} \right) \times 100\]
\[= \left( \frac{39}{52} \right) \times 100\]
To get the result as a percentage:
\[ \approx 75\% \]
Therefore, the percent increase from 52 to 91 is approximately 75%.