a) \( \frac{330}{y}=25 \)

To solve for \( y \), you can start by multiplying both sides of the equation by \( y \): \( 330 = 25y \). Now, divide both sides by 25 to isolate \( y \): \( y = \frac{330}{25} \). Simplifying that gives you \( y = 13.2 \). Ta-da! You have your solution! A nifty little trick to double-check your work is to substitute \( y = 13.2 \) back into the original equation. If \( \frac{330}{13.2} \) gives you 25, then you can pat yourself on the back—you're a math wizard!