The increase is $5000-$4000=$1000.  The ratio of this increase to the original price is 
$1000
-------- = 1/4 (no units of measurement here)
$4000
        
             
        
        
        
Answer:
D. 8
Step-by-step explanation:
the upper quartile = 8
 
        
             
        
        
        
Answer:
I cant see anything. . . i dont know if you posted a picture but i didnt get it. . . btw IF SOMEONE SAYS THE EXPLANATION IS IN THIS LINK DO NOT CLICK IT!!!! IT IS A VIRUS. . . I TESTED IT ON MY TEST PC AND IT GAVE ME A VIRUS!!! AGAIN IF ANYBODY GIVES YOU A LINK DO NOT PRESS IT. that being said please tell me the question and i will give you the answer :)
Step-by-step explanation:
 
        
             
        
        
        
<span>8 ≥ 16y
Divide both sides by 16.
0.5 </span>≥ y, or y ≤ 0.5.
The answer is A) y ≤ 0.5.