If a spaceship leaves Alpha Centauri at .95 the speed of light...

...and a spaceship leaves Earth at .87 the speed of light, where will they meet?  Thanks to Eric James Stone's blog, I've stumbled upon Space Math.  With their easy-to-use calculators, I could actually come up with an answer to that question.  Let's be glad I don't teach math class, or these are the kinds of story problems I'd want to use.