Answer:
1,211 candy bars. 
Step-by-step explanation:
You divide the goal by how much the bars are selling for, or 1513.75/1.25.   The answer to this is 1,211 candy bars.
 
        
                    
             
        
        
        
I think its 7 or 10 Dont remember that question 
        
             
        
        
        
This can be solved using a system of equations. 

Subtract y from both sides.

Substitute:

Subtract 80 from both sides:

Divide both sides by 5:

Substitute.
 
 
        
        
        
X intercept is 5,0 
y intercept is 0,10