Problem
Diane's penny bank is $\frac{1}{2}$ full. After she removes 80 pennies, it is $\frac{1}{3}$ full. How many pennies can Diane's bank hold? pennies
Solution
Step 1 ：Set up the equation: \(\frac{1}{2}x - 80 = \frac{1}{3}x\)
Step 2 ：Solve for x: \(x = 480\)
Step 3 ：\(\boxed{480}\)
