Height above the Galactic Plane

[artworkmonkey]

Homework Statement

At what height above the Galactic plane are there the same amount of thin and thick disk stars. Information given:

1) Thin-to-thick disk star counts is 15-to-1 (by volume density)
2) The scale height of the thin disk is 0.3kpc
3) The scale height of the thick disk is 1.5kpc

Homework Equations

I think this equation may be involved: N(z) = N(0)e ^-(|z|/hz)

The Attempt at a Solution

I don't understand where to begin. I don't need the answer, just some help pointing me in the right direction. Thank you.

 

[TSny]

Hello.

Be sure that you understand the meaning of all of the symbols in the equation.

Do any of the numbers given in the problem correspond to any of the symbols in the equation? What symbol corresponds to what you are looking for?

 

[artworkmonkey]

That's actually helped me. I thought I knew the equation, but realized I didnt have a proper knowledge of all of the meanings. I think I can do this now. Thank you for your help :)