To solve: An equation to find the border's width
An equation is
Doubling the width does not exactly require twice as much metal.
Given information:
A wall mirror is
Solution:
A wall mirror is
Let
Now
As
If the double the width, then the metal area will be
Which is more than double of previous area.
Hence, doubling the width does not exactly require twice as much metal.
Chapter 1 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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