Michelle wants to start a babysitting club and decides to call a meeting. As a thank you to everyone for coming she decides to o
rder pizza. She orders two large pepperoni and two extra-large cheese pizzas and the total comes to $30.00. When the delivery person arrives she hands him a $50.00 bill. How much change should she get back? If she tipped the delivery person 10% how much would she get back?
