what you got to do is you have to pee X 2 which which will give you an answer and you will subtracted by 4 + 485 which will give u p xthen you have your answer you can do it backwards like pee times 485 + 14 * -2 equals P x
If you divide the numbers on the bigger triangle by 5 you get the numbers on the smaller one
At around 20'000ft. and higher.
