Approx 19/24
20/25 or 4/5ths for simplicity
1/5 of 5600 is 1120
1120 x 4 is 4480
Pick the answer closest to that (it's multiple choice)
Just noticed the speed. ha ha. Was it the space shuttle?
Last edited by boeingairbus1981; 31st July 2011 at 20:20.