What steps do I take in order to solve :

Question

(101-100) = .512 times (x/.5) solve for x and show steps

Answer 1

I see that you changed the question from yesterday
http://www.jiskha.com/display.cgi?id=1292034249

so now we have

1 = .512x/.5
.5 = .512x
x = .5/.512 = 500/512 = 125/128