12 groups in a 1:1 ratio of boys:girls. there are only 12 girls so one in each group + 1 boy per group gives you 12 groups. with a remainder of 6 boys
        
                    
             
        
        
        
Answer 20 I just did that question
        
             
        
        
        
Answer:
336x + 624
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer A is correct because the straight line is called a parallel line