Algebra-1

Question Analysis
This question tests the student's ability to set up and solve an equation based on a real-world problem. It requires understanding of the relationship between the dimensions of a rectangle and its perimeter.

Key Concept Explanation
The perimeter of a rectangle is given by the formula , where is the length and is the width. Given that the length is twice the width, we can set up an equation and solve for the width.

Step-by-step Solution
1. Let the width be . Then the length is .
2. Write the perimeter equation:

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