Please hurry and show work plz The cost of admission to the state aquarium increased from $12.50 to $15.00. What was the percent increase?

A project is underway to increase the size of the parking lot at the library. Once the project is completed, there will be 24 additional parking spots. This represents a 40% increase in the number of parking spots. How many parking spots will there be once the project is completed?

There are 29 women and 19 men on a bus. If 25% of the riders get off at the first stop, how many people will be left on the bus?