Respuesta :
Total cost = $32.75 + $39.88 = $72.63
tip = 18%
tip = 18/100 * 72.63 = $13.07
total cost = 72.63 + 13.07 = $85.70
tip = 18%
tip = 18/100 * 72.63 = $13.07
total cost = 72.63 + 13.07 = $85.70
