Answer:
it b
Step-by-step explanation:
It would be f= 1.25n+6.25/n
Its D because vertical angles are right across from each other!
The answer for your question is C. The reason is I multipled 15 and 6 which gave me 90 and that is closest to the answer C which is 72.73.
Hope this helps:)
16 for every 100
8 for every 50
1 for every 16
.5 for every 8