All you need to do is times them and then round to the nearest one. 2,434%
        
             
        
        
        
Answer:
... ................................
 
        
             
        
        
        
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.
 
        
             
        
        
        
Yes, because there is a 50 50 chance that it can land head or tails. 
        
             
        
        
        
All of the equations are using the expanded form of exponents.