Concept explainers
a.
To write an expression that represents the perimeter and area of the garden.
a.
Answer to Problem 3CR
Perimeter:
Area:
Explanation of Solution
Given:
Length of the garden is 8 feet more than the width.
Perimeter is 108 feet.
Concept used:
Calculation:
Let x be the length of the rectangular garden and w be the width of the rectangular garden.
Given that the length of the garden is 8 feet more than the width.
Therefore,
Conclusion:
Therefore, the perimeter of rectangular garden is
b.
To calculate the width of the rectangular garden.
b.
Answer to Problem 3CR
23 feet
Explanation of Solution
Given:
From subpart (a), Perimeter of the rectangular garden is
Formula used:
Calculation:
Substituting the length of the rectangle and width of the rectangle,
Conclusion:
Therefore, the width of the rectangular garden is 23 feet.
c.
To explain the mathematical practise used in solving the problem.
c.
Answer to Problem 3CR
Substitution
Explanation of Solution
The mathematical practise used in solving the problem is substitution.
First, an equation is formed for the length of the rectangular garden, later the length which is interms of width is substituted to find the remaining values.
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Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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