Direction: The graph shows the number of students who attended a book fair. If \[\frac{1}{5}\] of the primary school students were below \[10\] years old, how many primary school students were \[10\] years old and above?

• A. \[210\]                          
• B.                    \[350\]              
• C.                    \[140\]                          
• D.                    \[280\]