Answer:
The fraction of the students who failed to went partying = 
Step-by-step explanation:
Let total number of students = 100
No. of students partied are twice the no. of students who not partied.
⇒ No. of students partied = 2 × the no. of students who are not partied
No. of students partied before the exam = 20 % of total students 
⇒ No. of students partied before the exam =  × 100
 × 100
⇒ No. of students partied before the exam =  20
No. of students who not partied before the exam = 
Thus the fraction of the students who failed to went partying = 
 
        
             
        
        
        
Answer:
finish your exam please i am a supervisor
Step-by-step explanation:
 
        
             
        
        
        
Answer:
There is no explanation to this, idk how to answer this for you.
Step-by-step explanation:
 
        
             
        
        
        
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