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

1. What percent 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?