Any decimal number that is repeating can be written in the form <span>

</span> with b not equal to zero, so they are rational numbers.
The short answer is 
yes, 0.6 repeating is a rational number.
Hope this helped :)
 
        
        
        
15.
To find this, here is the work in the photo attached:
 
        
        
        
To find the original pricing you must cross multiply 
the answer would be 1450
        
             
        
        
        
Answer:
2500
Step-by-step explanation:
there you go haha