The answer is 90.95 percent
The answer is 438.6...
(528+1/5)-(89+3/5)=438.6
402,073,180 = 4.02073180 x 10^8
You would use 6 = (0.08)w
2a
tan37=r/8
r=8tan37
r≈6 in rise per step (to nearest whole inch)
2b
11*12/6=22 steps needed to climb the 11 ft to the entrance
...
3a
tanα=14/20
α=arctan(7/10)
α≈35° (to nearest whole degree)
..
3b
tanα=21/17
α=arctan(21/17)
α≈51° (to nearest degree)
