What we need to know is how much is 1/3 of 25 2/5. 
We will be multiplying fraction by a fraction and for this, it's good to change mixed numbers into improper fractions: 
25 2/5=

and now we multiply it by 1/3:

and that's the answer: the basketball equipment weights 7 4/5 pounds.
 
        
        
        
Y=25 because 19-2+8 equals 25 so y = 25
        
                    
             
        
        
        
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Answer:
The correct option is 1.
Step-by-step explanation:
The difference of cubes is defined as

The given expression is

It can be written as

Using the property of exponent, the above expression can be written as
 
                ![[\because (x^m)^n=x^{mn}]](https://tex.z-dn.net/?f=%5B%5Cbecause%20%28x%5Em%29%5En%3Dx%5E%7Bmn%7D%5D)
This is a difference of cubes.
Therefore the correct option is 1.