I'm stuck on this one: a+1/2 a+1/4 a+1/8a when "a" = 2. The book's answer is 3 3/4. But I have no idea how that figure was derived. Can someone please run me through it?
Thank you!
EDIT: NEVER MIND. I SOLVED IT MYSELF.
Last edited by MathClown; January 17th 2013 at 05:48 AM.