Convert 35/10 into a Percent: Simplification and Calculation

To solve this problem, we need to convert the fraction $\frac{35}{10}$ into a percentage.

Step 1: Start with the fraction $\frac{35}{10}$. We can simplify $\frac{35}{10}$ to $\frac{7}{2}$, but simplifying is not necessary for percentage conversion.

Step 2: Apply the formula to convert the fraction to a percentage: Multiply the fraction by 100:

$\left(\frac{35}{10}\right) \times 100\% = 350\%$

This calculation gives us the percentage equivalent of the fraction.

Therefore, the fraction $\frac{35}{10}$ converts to $\textbf{350\%}$.

In the given choices, the correct answer is:

350%