Answer:
There are 1.25 days in 30 hours or 1 1/4 days in 30 hours
Step-by-step explanation:
As we know one day is 24 hours. So if we divide 30 hours by 24 hours (or one whole day) then we get 1.25 days or also known as 1 1/4 days
1140
A decagon has 10 sides so substitute it like this:
(n-2) x 180
(10-2) x 180
8 x 180= 1140