My answers to Page 81 of the Textbook

1. The B-777-200LR had an extended range by more than 2775 kilometers compared to the other planes in the 777 family. It allows for non-stop services between cities. It can carry up to 301 passengers up to 17466 kilometers. 2. The advantages is that it is faster and can transport more people at a time, thus leading to fewer flights needed to transport a certain amount of people. Some disadvantages is that some airlines company may not be able to afford it as it may be costly, due to its title as the world's longest-range commercial plane. Done by Jessica Lee