Answer:
80% 
Step-by-step explanation:
We are told that 1,200 students wore their school colors of green and white. 
Also, we are told that 300 students did not wear school colours green and white.
Thus, total number of students = 1200 + 300 = 1500
Thus;
percent of the school population who wore their school colors is; (1200/1500) × 100% = 80% 
 
        
                    
             
        
        
        
Answer:
4.4
Step-by-step explanation:
10.6 + x = 15
x = 15 - 10.6 = 4.4
 
        
                    
             
        
        
        
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Answer:
3.5ft
Step-by-step explanation:
 
        
             
        
        
        
39 
Divide 78 by 2 to get 39 and add in to the number