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Tuesday, November 30, 2010
Today's Logic Lesson.......
On a shelf in the library, there is a 3 book set of almanacs labeled volume 1, volume 2 and volume 3. Each book is 2 1/2 inches thick, the pages being 2 inches thick and each cover is 1/4 inch thick. A bookworm starts eating it's way from the 1st page of volume 1 and stops at the last page of volume 3. How far did the bookworm travel?
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3 inches.....you must visualize that when the books are on the shelf with the binders facing you that the right side of volume 1 is where page 1 is and the left side of volume 3 is the last page of volume 3. This being the case, the worm only eats through the cover of volume 1 ( 1/4 inch ), all of volume 2 ( 2 1/2 inches ), and only the cover of volume
3 ( 1/4 inch ) for a total of 3 inches.
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