Concept explainers
To find: The length and width of a rectangle.
Answer to Problem 13P
Length of the rectangle is 23 m and width of the rectangle is 11 m.
Explanation of Solution
Given information: A rectangle is 12 m longer than it is wide. Its perimeter is 68 m.
Formula used: Perimeter
Calculation:
Let the width of the rectangle as ‘ w’
The length is 12 m longer than width.
So,
And perimeter is 68 m.
Plug in the l as
Solve the equation for w . So, Distribute to get rid the parentheses
Combine like terms to simplify,
Subtract both sides 24.
Divide both sides by 4.
Plug in w as 11 into the equation
Conclusion: Length of the rectangle is 23 m and width of the rectangle is 11 m.
Chapter 1 Solutions
Algebra: Structure And Method, Book 1
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