icy78 icy78 26-11-2018 Mathematics contestada Olivia's bill for lunch came to $8 before tax and tip the restaurant included a 7% sales tax and she left a 15% tip which she calculated on her bill before the sales tax was added what was the total cost of Olivia's lunchA. $8.56B. $8.68 C. $9.20 D. $9.76