Which amount is larger and by how much?
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Answer:
a*(1 -0.5)*(1 +0.5) = 0.75a . . . . the original number "a" is larger
(a/(0.75a) -1) * 100% = 33 1/3% . . . . the original number is larger by 33 1/3% of the revised number
Step-by-step explanation:
 
                                
             
                    
              
              
                
                
Answer:
Step-by-step explanation:
Initial number = a
<u>Decrease by 50% </u>
- a - 50% = 
- a - 0.5a = 
- 0.5a
<u>Increase by 50%</u>
- 0.5a + 50% = 
- 0.5a + 0.5*0.5a = 
- 0.75a
<u>The difference between the initial and final numbers:</u>
<u>Percent difference:</u>
- (0.25a/0.75a)*100% = 33.33%
 
                                
             
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12 I’m pretty sure because you have x then 3 then 12
        
             
        
        
        
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