Problem:
If rose bushes are spaced about  foot apart, approximately how many bushes are needed to surround a circular patio whose radius is  feet?
Answer Choices:
A.  
B.  
C.  
D.  
E.  
Solution:
The circumference of the circular patio is feet, thus it would take about bushes to surround the patio.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions