Precalculus Enhanced with Graphing Utilities
Precalculus Enhanced with Graphing Utilities
6th Edition
ISBN: 9780321795465
Author: Michael Sullivan, Michael III Sullivan
Publisher: PEARSON
Question
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Chapter A.8, Problem 56AYU
To determine

To find: Length and width of the rectangle?

Expert Solution & Answer
Check Mark

Answer to Problem 56AYU

L = 6 and w = 3

Explanation of Solution

Given:

If the piece of sheet metal is a rectangle whose length is twice its width.

Calculation:

L = 2w

( 2w  2 )( w  2 ) = 4

( w  1 )( w  2 ) = 2

w 2   3w + 2 = 2

That is w( w  3 ) = 0 .

w = 3

L = 6

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