Answer:
After the markdown, the cost will be $21.35
Step-by-step explanation:
This is shown by multiplying the original price, 30.50 by 30%, or 0.30 to get 9.15. Next you subject your product from the original price to get the marked down value at 21.35.
 
        
             
        
        
        
What is it? The question?
        
             
        
        
        
Step-by-step explanation:
A=45.5
B= 7 inches 
therefore: 45.5/7= 6.5
height is 6.5