at maximum. dt/dh=0
if you differentiate you will get
-32t=-100
t=3.125
Sorry I was moving around taking the picture and my handwriting is sloppy. But I hope you understand how I got the answer
I am pretty sure every player would get 0.8 pieces of the 5 granola bar and for the picture you showed us about your question you divide each into 8 pieces (7 lines for each gronala bar) and there you have your answer