Math Problem Statement
The perimeter of a rectangle is to be no greater than 60 centimeters and the length must be 25 centimeters. Find the maximum width of the rectangle. . . . Question content area top right Part 1 x cm 25 cm Question content area bottom Part 1 First, understand the problem. Then translate the statement into an inequality. the perimeter of the rectangle is less than or equal to 60 down arrow down arrow down arrow ModifyingAbove x plus 25 plus 5 with brace less than 60
Solution
The problem states that the perimeter of a rectangle is to be no greater than 60 cm, and the length of the rectangle is fixed at 25 cm. We need to find the maximum possible width of the rectangle.
Step 1: Understand the formula for the perimeter of a rectangle
The perimeter of a rectangle is given by the formula: In this case, the length is cm and the width is cm.
Step 2: Translate the statement into an inequality
We are told that the perimeter must be less than or equal to 60 cm, so the inequality becomes:
Step 3: Solve the inequality
Let's solve for (the width):
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Expand the equation:
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Subtract 50 from both sides:
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Divide both sides by 2:
Conclusion:
The maximum width of the rectangle is cm.
Would you like more details on the steps or further clarifications?
Here are 5 related questions you might find useful:
- What would happen if the perimeter were set to a different value?
- How would the formula change if the width were fixed instead of the length?
- What is the area of the rectangle with maximum width?
- How would you find the width if both perimeter and area constraints were given?
- What is the smallest possible width for this rectangle?
Tip: When working with perimeter or area, always check the formula and constraints carefully before solving!
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Math Problem Analysis
Mathematical Concepts
Geometry
Algebra
Inequalities
Formulas
Perimeter of a rectangle: P = 2(length + width)
Inequality solving
Theorems
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Suitable Grade Level
Grades 6-8
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