Engineer: Semiplaning monohulls are a new kind of ship that can attain twice the speed of conventional ships. Due to ...

Claire on May 26, 2019

Question

Hi! I put E for the question. Why is D right?

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on October 17, 2019

I put the same thing ^^ could we get an explanation please?

Shunhe on December 23, 2019

Hey,

(E) is a tricky answer that is almost as good as (D) but doesn't quite get there. There are explanations of (D) on other threads on this question by other instructors, so I'll focus on why (E) isn't as good. It's not as complete or accurate, and just distinguishes between the varying costs of transportation, which the conclusion of the argument doesn't focus on. Hope this helps!