Answer:
Part A:
The most expensive item on the menu is roast beef wrap at $4.50 
6% tax on it becomes: 
 dollars
 dollars 
15% tip on it becomes: 
 dollars
 dollars 
The least expensive item on the menu is coffee at $0.90 
6% tax on it becomes: 
 dollars
 dollars 
15% tip on it becomes: 
 dollars
 dollars 
So, the difference between roast beef wrap and coffee cost is : 
 dollars nearest to $4.36
 dollars nearest to $4.36 
Option B is the answer.
Part B:
You and your friend ordered two roast beef wraps, one soup, one fries, and two coffees. 
Total becomes:

= 
 dollars
 dollars
Sales tax of 5% and 15% tip means 20% more on $14.55
 dollars
 dollars
Change you will receive = 
 dollars
dollars
Option D is the answer.