In step two he flipped the fraction back to how it was originally but he was supposed to leave it improper in order to multiply
        
             
        
        
        
Answer:
77
Step-by-step explanation:
Add all the numbers together (74+88+79+70+74) then divide by the amount of numbers there are (in this case 5) So (74+88+79+70+74=385) (385/5=77)
 
        
                    
             
        
        
        
Probability of picking a green ball = number of green balls / total number of balls
Pr(green) = 4/(3+4+2+6) = 4/15
        
                    
             
        
        
        
Answer: 27
Step-by-step explanation: