Answer:

Step-by-step explanation:


 
        
             
        
        
        
Answer:
C
Step-by-step explanation:
She earns $487.50
375+75+37.5=487.5
 
        
                    
             
        
        
        
Answer:
C )   40w + 300 > 7--
Step-by-step explanation:
Since he starts off with 300 cards, the equation must have +300 units. As he purchases 40 each week, the rate of change is 40w. Since his goal is over 700, look for >700.
Therefore 40w + 300 > 700