Nope.
IS it true you've just been dumped by your imaginary girl friend..
I only thought you were a child because a grown up would have ignored the post if they didn't know the answer or thought it was a pointless post.
Most of the senior members on here come up with sensible answers that you wouldn't otherwise find through Google, or just politely point people in the right direction. Somebody may well have just said it was 10 miles per 100 out but until you ask you don't know.