Value of X and Y is 90 and 26 respectively.
        
             
        
        
        
Albert bought 2 pounds of catfish and 2 pounds of salmon
Let c represent the amount of catfish in pounds and s represent the amount of salmon in pounds.
He spent a total of $12 on salmon and catfish and bought a total of 4 pounds.  Hence:
c + s = 4     (1)
4c + 2s = 12    (2)
Solving equations 1 and 2 simultaneously gives:
c = 2, s = 2
Albert bought 2 pounds of catfish and 2 pounds of salmon
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Answer:

Step-by-step explanation:

 
        
                    
             
        
        
        
10 / 1 is a rational and which is equal to 10 so 10 is also a rational number
        
             
        
        
        
The amount of in pound of tomatoes purchased is  
 
To obtain the number of pounds of tomatoes purchased : 
- Let the price per pound of tomato = p
The Number of tomatoes purchased equals : 
- Total amount spent ÷ price per pound 
Therefore, the Number of tomatoes purchased will be : 
The Number of pounds of tomatoes purchased =  
 
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