In the figure above, two rectangular solids share a vertex S. P, Q, and R are all vertices of the smaller rectangular...

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Source: Princeton Review
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In the figure above, two rectangular solids share a vertex S. P, Q, and R are all vertices of the smaller rectangular solid and points on the edges of the larger solid. What is the ratio of the surface area of the larger to the smaller rectangular solid?

1) Points P, Q and R are midpoints of the edges of the larger rectangular solid
2) Both rectangular solids are cubes

The OA is A