I have a track meet an I need to get this IXL done now!!!

Answer:
9
Step-by-step explanation:
in the data:
when we add all the hats together we get 10 and 5 of these hats are turbans that means 50% of the total is turbans
so,
we could expect 50% of the 18 hats could be turbans
and 50% of 18 = 9