Hi jhasac,

If you've ever received a package or sent a package that was not completely filled (so extra packaging was included to keep the items in the box from shifting around), then you've experienced what these types of questions are ultimately about: "empty" space.

Since this question asks us to MAXIMIZE the number of boxes that we can put in a carton, we have to think about how to maximize the space given the dimensions of the carton and the dimensions of the boxes that we're going to put into it. Thus, we have to think about MORE than just the volumes. Often, one or more of the wrong answers is based on a conceptual math mistake that might be made, so it's important to take the necessary notes (drawing pictures sometimes helps too) and PROVE that your answer is the correct one.

Here, the issue is about "orienting" the boxes so that we can fill as much of the carton as possible (and minimize the "empty" space.

GMAT assassins aren't born, they're made,

Rich

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