Respuesta :

To do this you want to first multiply 28 by 0.15.  This will give you $4.20.  You have to give a $4.20 tip.  The total cost would be the lunch and the tip added together.  It would give you a final total of $32.20.

Answer:

$32.20.

Step-by-step explanation:

(Answer is copied, i'm farming for points- sorry!