Tracey and her three friends went out for lunch, and they wanted to leave a 18% tip. The receipt shown below lists the lunch total before tax and tip. The tip is on the cost of the food plus tax. The sales tax rate in the Bronx 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.

Step-by-step explanation:

The receipt shown:

BBQ BURGER W/ CHEESE   :    9.99

CHICKEN FINGER BASKET  :    8.99

MUSHROOM BURGER         :   10.99

CHILI CHEESE FRIES          :     8.99

TOTAL:                                      38.96

SALES TAX 8.75%                      3.41  (38.96 * 8.75% = 3.409)

TOTAL:                                     42.37

TIP 15%                                      6.36 (42.37 * 15% = 6.3555)

TOTAL:                                     48.73

Total amount paid by Kacey and friends  : $48.73

Total tip paid by Kacey and friends          :   $6.36

Total sales tax paid by Kacey and friends:   $3.41