To solve for the given problem above:
Let x be the number of boxes left after 3 hours
3 * ½ X = 24
3/2 X = 24
X = 24 * 2/3
X = 16
The correct answer is 16.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
We can use the point-slope form given by: 

Where <em>m</em> is the slope and (x₁, y₁) is a point. 
So, we will substitute -2 for <em>m</em> and (5, 2) for (x₁, y₁). This gives us: 

Simplify: 

Distribute: 

Add 2 to both sides. Hence, our equation is: 

 
        
             
        
        
        
128 degrees.
An angle's supplement, when added to the original angle, will form a straight (180 degree) angle.