Hmm. There looks to be a typo in the question. I believe it should say "1yd less than double the width", not "more than". Because the only way to get 28 is 7*4.
No, 1/2 is bigger than 1/3 because if you have a half a chocolate bar, that is more than 1/3 of a chocolate bar.
46.25 - (2(3.75) + 2(8.3)) = 22.15 feet leftover.
1/10 = 0.1 meters per second.
Then just divide 5 by 0.1 and you get 50 seconds.
