To work out the decrease, do original amount - new amount and then take that answer and divide it by the original amount, and then multiply by 100.
So you would do:
36.24 - 30.80 = 5.44
5.44 ÷ 36.24 × 100 = 15% to the nearest percent.  
        
             
        
        
        
Answer:
it's a acute angle 
Step-by-step explanation:
no more that 90 degrees
 
        
             
        
        
        
Not to good with math but the answer may be B
        
             
        
        
        
If the question is 6,372= 35x and you were solving for x the answer would be found by dividing 6372 by 35. this would leave you with 182.1=x