If each couple rests for 
minutes every hour, the time spent resting, 
, after 
hours is given by
We know that a couple spent 25 minutes resting in 5 hour. So, the rate is
So, every couple rests 5 minutes per hour.
This means that, after 8 hours, the couples rest
minutes.
Answer:
Eulers formula of course is: F+ V - E = 2, (F)aces + (V)ertices - Number of (E)dges = 2. Which he derived from solving the Koningberg Bridge problem.
I dont know if this will be of help: pentagonal prism https://en.wikipedia.org/wiki/Pentagonal_prism. it seems to fit what you are looking for!
Step-by-step explanation:
Answer:
22.5
Step-by-step explanation:
10 x 4.5 = 45 divided by 2 is 22.5
The square root of negative four is 2
