To convert pounds to ounces, you can use the fact that 1 pound is equal to 16 ounces.
First, let's convert 6 1/4 pounds into an improper fraction:
6 1/4 = \(6 \times 4 + 1 = 24 + 1 = 25/4\) pounds.
Now, convert this to ounces:
\[ \frac{25}{4} \text{ pounds} \times 16 \text{ ounces/pound} = \frac{25 \times 16}{4} \text{ ounces} \]
Calculating this:
\[ \frac{25 \times 16}{4} = \frac{400}{4} = 100 \text{ ounces} \]
So, 6 1/4 pounds is equal to 100 ounces.
The correct answer is 100 ounces.