The class advisor was helping students plan an end-of-the-year trip. The students were surveyed regarding their choices. The results are in the circle graph below.

1. What percentage of the students chose the water park?

   Hint (a):

   Find the unknown percentage by subtracting the known percentages from $100\%$.

   Step (a):

   $100\%-23\%-29\%-18\%$

   Answer (a):

   $30\%$

2. Which two results are very close?

   Hint (b):

   Which two trips have the highest percentages?

3. Write a recommendation to the class advisor regarding what the next step would be?

   Hint (c):

   What should the class advisor do since there are two trips in high demand?