- #1
soroban
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There is a 3-volume set of books
$\quad$on a bookshelf in the usual manner.
Each volume has two covers, each $\frac{1}{4}$ inch thick,
$\quad$and the printed portion is $1$ inch thick.
A bookworm starts at the first page of Volume 1
$\quad$and eats his way to the last page of Volume 3.
How far does the bookworm travel?
Before you ask: we want his shortest distance.)
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