Answer:
The answer is about 10 hours. The recomened amount of sleep for school aged children between the ages of 6-13 years old is 9-11 hours of sleep per night. 
 
        
                    
             
        
        
        
Answer:
101°
Step-by-step explanation:

Another way:
x° + 50° = 151° (Alternate angles) 
x° = 151° - 50°
x° = 101°
x = 101
 
        
             
        
        
        
On month -------- 10%
12 month ---------- x %
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 x = 12*10/1 = 12*10 = 120%