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24-08-2016
Mathematics

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Ken used a piece of lumber to build a bookshelf. If he made three shelves that are each 2 1/2 feet long, how long was the piece of lumber?

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24-08-2016

If you would like to know how long was the piece of lumber, you can calculate this using the following steps:

3 shelves * 2 1/2 feet long = 3 * 2 1/2 = 3 * 5/2 = 15/2 = 7.5 feet long

The correct result would be 7.5 feet long.

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