Answer:
Hi, Hope this will help :-)
 
        
                    
             
        
        
        
Given that original lenght of the board before cut  meter
meter
Lenght of the board that is left after cutting from the original piece by Hernan  meter
meter
Now we have to find the lenght of the piece which is cut.
To find that we just need to subtract smaller piece from larger piece
Required Length  meter
meter
Required Length  meter
meter
Required Length meter
meter
reduce the fraction
Required Length  meter
meter
Hence final answer is  meter.
 meter.
 
        
                    
             
        
        
        
Answer:
C. x = 6
Step-by-step explanation:
6 + 4 = 10
 
        
             
        
        
        
<span>X-Y=4, 
X+Y=2 
-------------add
2x = 6
x = 3
X - Y =4
3 - Y = 4
Y = 3 - 4
Y = -1
solution (3 , -1)</span>