Equal Rectangular Areas

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Two rectangular table tops have equal area. If the first table top is 6 feet by 18 feet and the second table top is 9 feet wide, what is the length of the second table top, in feet?

Review: Equal Rectangular Areas


Explanation

Since these areas are each length times width and are equal, the question is telling us that



Dividing both sides by 9, we have an equation equivalent to:



Therefore, the missing dimension is 12. The correct answer is (D).


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