Question

63,360, 63,366, 63,372, 63,378, 63,384, ...

What is Barry's altitude above sea level, in inches, when he is standing on the 65th step above the one-mile step (counting the one-mile step itself as step #1)?

Answer 1

barry just goes higer my 6 each time:

A{n} = A{1} + 6(n-1)

Answer 2

A{65} = A{1} + 6(64) ; where A{1} = 64460

Answer 3

.... A{1} = 63360 lol

Answer 4

i get 63744 if i did it right