Total amount of the bill for the family
Each parent orders the sirloin steak fajitas for $14.99 each for a total of
2*$14.99 = $29.98
Your brother and sister split the BBQ chicken platter for a total of $11.99
You order the shrimp tacos for a total of $8.59
The sum of all the plates is
$29.98 + $11.99 + $8.59 = $50.56
The total bill for the family was $50.56