Answer:
Jenny will receive $12.51 in change. 
Step-by-step explanation:
We need to find the total cost first.
19.99 + 7.50 = 27.49
We then subtract that from the 40 dollars she gave to get the amount of change she receives.
40.00 - 27.49 = 12.51.
She will receive $12.51 in change.
hope this helped!  
 
        
             
        
        
        
Answer: 135
Step-by-step explanation: 12.5 percent of 120 is 15, so just add that to 120
 
        
             
        
        
        
Is there more information to this question? Or are you supposed to do look up prices online