68/80 is a fraction
34/40
17/20 is simplest form of fraction
percent means parts out of 100 so x/100
20 times 5=100 so 
17/20 time 5/5=x/100=85/100 or 85%
decimal is normally a power of 10 so 
85/100=0.85
        
             
        
        
        
7/4 means you have to do 7 divided 4. You would get 1.75 then you have to do 1.75 times -4. You get -7. -7 is the answer.
        
                    
             
        
        
        
are you asking for the 9th term or the 10th term?
 
        
                    
             
        
        
        
Answer: Approximately 18.33%
Work Shown:
11/60 = 0.1833 approximately
This decimal converts to 18.33% when moving the decimal point over to the right two spots. Round this value however you need to.
 
        
             
        
        
        
Answer:
Step-by-step explanation: