Quote:
Originally posted by RiverPig:
Quote:
The treadmill continues at 80mph in reverse direction as the plane. BUT, you'll notice, the tires of the plane are now revolving at 160 mph.

So, multiple choice question:

The plane at this time is now moving at:

(A) 0 mph
(B) 80 mph
(C) 160 mph
If the tires are going 160mph how fast is the treadmill going?
80 mph. You don't do so well with the reading comprehension, eh? That was given in the example problem statement...

It says pretty clearly:

Quote:
The treadmill continues at 80mph in reverse direction as the plane.