10/10 and 5/5 are like fractions
        
             
        
        
        
Answer:
Sales tax is calculated by multiplying the cost of a good or service by the appropriate sales tax rate The answer is B  (purchase price) (percent sales tax); then d. (purchase price) (percent sales tax). Hope it helps!:)
 
        
                    
             
        
        
        
Pi feet squared (I hope I helped!)
 
        
                    
             
        
        
        
The answer to your question:
81/10, 8.1, and 8 1/10
        
             
        
        
        
The nominal rate to plug in will be 0.085.
Given to us, the nominal rate is 8.5%,
The value to plug into your equation,
The equation can be simple interest or compound interest in both cases the value of the nominal rate to the plugin will be the same.
Thus, the nominal rate is 8.5% can be written as 
 
Hence, the nominal rate to plug in will be 0.085.
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