ITS B , <span>octagonal pyramid</span>
u = number of unicycles = number of wheels from all the unicycles
b = number of bikes
2*b = number of wheels from the bikes only
u+2b = total number of wheels (unicycles+bikes)
u+2b = 30 because there are 30 wheels overall
Answer is choice D
0.01458671 that's what my calculator says
Here’s the answer for your question hope this helps!