Answer:
<h3>option :c is correct..ok</h3>
 
        
             
        
        
        
The answer is D 
Explanation:
        
             
        
        
        
If 10 feet = 2.5 inches
then 1 feet = 2.5/10 = 0.25
therefore 12 feet = 3 inches 
In short the answer is 3 inches on the blueprint
        
             
        
        
        
Answer:
-3/15 is the difference between 6/15-9/15