Chapter A.3, Problem 14E

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

Two trim boards need to be used together to cover a 12-ft length along one wall. If Jim recalls that one board is more than 7 ft long, what length must the second board be to span the 12-ft length?

To determine

**To find:**

To find the length of the second board by using the given condition.

Explanation

Consider the following condition,

“Two trim boards need to be used together to cover a 12-ft length along one wall. If Jim recalls that one board is more than 7 ft long”.

Definition:

If *a* is less than *b* if and only if there is a positive number p for which

*a* is greater than *b* if and only if

Let *a* and *b* be the first and second board respectively.

From the given condition Jim recalls that one board is more than 7 ft long.

That is

By using the above definition,

Also from the given condition two trim boards need to be used together to cover a 12-ft length along one wall

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