20 is the gcf ofn40 and 60
        
             
        
        
        
1/2 chance of getting an even number and 1/2 chance of getting an odd one.
        
                    
             
        
        
        
Answer:
14 gel pens/minute
Step-by-step explanation: 
divide the amount by time. 
210/15 = 14 
 
        
                    
             
        
        
        
Answer:
there is one line of symmetry if you look closely at the shape