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A garden plot is to contain 200 sq. ft. If its length is to be twice its width, what should its dimension be?
Solution:
To illustrate the problem, it is better to draw the figure as follows
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| Photo by Math Principles in Everyday Life |
The area of a garden lot which is a rectangle is given by the formula
Let x be the width of a rectangle and 2x be the length of a rectangle. If the area of a garden lot is 200 ft² and the length is twice its width, then the above equation becomes
Therefore,
