Answer:
C times 23
Step-by-step explanation:
 
        
             
        
        
        
Answer:

Step-by-step explanation:

 
        
             
        
        
        
Simplify the expression 
Answer - Zero
Hope this helps 
Have a great day!
        
                    
             
        
        
        
Answer:
C.
Step-by-step explanation:
If you know how much each class is selling tickets for and how much they've already raised then you take those two values and set them equal to each other. 
<em>2.5t + 350 = 3t + 225</em>
To actually find the number of tickets each class would have to sell you would just solve for t.