High School

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Select the equation that most accurately depicts the word problem:

The perimeter of a rectangle is 68 inches. The perimeter equals twice the length of [tex]L[/tex] inches, plus twice the width of 9 inches.

A. [tex]68 - 2(2) - 9)[/tex]
B. [tex]68 = 9(L + 2)[/tex]
C. [tex]68 = 2L \cdot 2(9)[/tex]
D. [tex]t + \frac{L}{2} + 2(9)[/tex]
E. [tex]68 = \frac{2}{L} \cdot \frac{2}{9}[/tex]
F. [tex]68 = 9 - 2[/tex]

Note: Ensure the equation accurately reflects the statement "The perimeter equals twice the length plus twice the width."

Answer :

Let's solve the problem step by step to find the equation that represents the perimeter of a rectangle:

1. Understand the Problem:
- The perimeter of a rectangle is given as 68 inches.
- The formula for the perimeter [tex]\( P \)[/tex] of a rectangle is [tex]\( P = 2 \times \text{Length} + 2 \times \text{Width} \)[/tex].

2. Identify the Values:
- We need to identify the length [tex]\( L \)[/tex] and the width. The problem states that the width is 9 inches.

3. Set up the Equation:
- Using the perimeter formula:
[tex]\[
68 = 2 \times L + 2 \times 9
\][/tex]

4. Simplify the Equation:
- Calculate the term [tex]\( 2 \times 9 \)[/tex], which equals 18.
- Substitute this into the equation:
[tex]\[
68 = 2L + 18
\][/tex]

5. Conclusion:
- The equation that most accurately depicts the word problem is:
[tex]\[
68 = 2L + 18
\][/tex]

This equation correctly represents the given conditions of the rectangle's perimeter.

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