Your 2 friends lunch and yours cost = 12.35 + 14.22 + 11.47 = $38.04
20% tip cost = 20/100 of 38.04 = 0.20 x 38.04 = $7.61
Total amount paid = 38.04 + 7.61 = $45.65
4.5m questions
5.9m answers