8 can go into 17 twice with one left over so 
the answer is 2 1/8
Hope this helps!!!
        
                    
             
        
        
        
In order to arrive at the answer, take the total (251) and subract it by 148.  J = 103
        
                    
             
        
        
        
Radius =
<span>
<span>
<span>
23.125
</span>
</span>
</span>
cm
Cylinder Volume =  <span>π <span>• r² • height
</span></span>
Cylinder Volume =  3.14 * 23.125^2 * 18.5
Cylinder Volume = 
<span>
<span>
<span>
31,064.53515625
</span>
</span>
</span>
Cylinder Volume = 
<span>
<span>
<span>
31,064.54 cubic centimeters
</span></span></span>