Answer:
22 km
Explanation:
There is no mention about the triangle, but this can only be solved if the triangles are similar.
I assume the triangles are similar, so the lengths of corresponding sides are proprtional.
PR/TR = PQ/ST
24/33 = 16/ST
8/11 = 16/ST
1/11 = 2/ST
ST = 22
Answer: 22 km