Want this question answered?
Bend Oregon is about 4000 feet in elevation but awbrey butte is around 5000
(4000 + 5000) / 2 = 4500
4500
4500
5000
90% of 5000 is 4500.
4500
There need not be any estimated digit: there could well be exactly 4500.
4500
4000
5000
5000