Answer:
Charlotte can skate for 3 hours.
Explanation:
To solve this equation, we can set up an equation that looks like this: 13.50h = 40.50
We can then divide both sides of the equation by 13.50 to get: h = 40.50/13.50
Simplifying this, we get: h = 3
Therefore, Charlotte can skate for 3 hours.