Answer:
what? 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
1,500 balloons in 20 packages
Step-by-step explanation:
75 x 20 = 1500
 
        
             
        
        
        
Solution:
Average time per line = total time / total lines
Average time per line = (3x^2 + 2)/(x + 4)
Average time per line = 3x - 12 + (3x^2 + 2)/50 milliseconds