Answer:
13.2
Step-by-step explanation:
 
        
                    
             
        
        
        
It cost $156.40 because 20% of 195.50 is $39.10 so you subtract that from the 195.50.
        
                    
             
        
        
        
Answer:
72
Step-by-step explanation:
there are 60 seconds in a minute so about 6 9 seconds in a minute. then there is 12 pages per 9 seconds and since there is 6 9 seconds then you can just multiply 6 by 9 to get the answer 72