Final answer:
The fraction 3/8 is equivalent to 37.5% when converted to a percentage. You simply multiply the fraction by 100 to get the percentage value.
Step-by-step explanation:
To convert the fraction of national parks Beyonce has visited, which is 3/8, to a percentage, you multiply the fraction by 100. Here's the calculation:
Percentage = (Fraction) × 100%
So,
Percentage = (3/8) × 100%
Percentage = 0.375 × 100%
Percentage = 37.5%
Therefore, the equivalent percentage of the fraction of national parks Beyonce has visited is 37.5%, which corresponds to option (a).