Answer:
5 people ordered Thai special and 
3 people ordered Swaziland special
Explanation:
Let x=number of people ordered Thai special 
and y=number of people ordered Swaziland special
Now, According to the Question 
There are total 8 people in the group 
so our first equation goes this way,

Now x number of people ordered thai special for $14.25 so cost will be 14.25x
and y number of people ordered swaziland special for $13.95 so cost will be 13.95y 
and the total bill was $113.10 
so the second equation wiil be 

Now on solving the equation (1) and (2) we will get 
