Step-by-step explanation:
two answers either
x = 8
or
 x = -1
 
        
                    
             
        
        
        
This is not possible if both numbers are whole numbers.
The larger number would be 
(20+15)/2 = 17.5
The smaller number would be
(20-15)/2=2.5
So they cannot be whole numbers.
 
        
             
        
        
        
Answer:
12cm long x 24cm = Area 268cm
24,53cm height was cut off this we are not given the length, so this stays 24.53cm.
The 12cm length has been altered. 
Step-by-step explanation:
 
        
             
        
        
        
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Answer: 
The first prize is $800. 
Explanation: 
Third price = $50
The second price = $50(4) = $200
The first prize = 4($200) = $800