171 hours including the 3 hours you said.
The answer is C the visitor center
Step-by-step explanation:
25+5=30
30+40=70
70+2=72
This may help https://www.ck12.org/geometry/Reflection-Symmetry/lesson/Reflection-Symmetry-GEOM-HNRS/ If not wait for somebody else. I hope it does help, though. Good luck! :)