Me and her three friends went out for lunch, and they wanted to leave a 15% tip. the receipt shown below lists the lunch total before tax and tip. bbq burger w/cheese 9.99chicken finger baske 8.99mushroom burger 10.99chili cheese fries 8.99 total: $38.96the sales tax rate in pleasantville is 8.75%.use mental math to estimate the approximate total cost of the bill including tax and tip to the nearest dollar. explain how you arrived at your answer.