SOLUTION: Each side of a square is increased 4 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?
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Question 1026595: Each side of a square is increased 4 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square? Answer by ikleyn(52781) (Show Source):
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Each side of a square is increased 4 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?
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= .
It is what you are given.
Take the square root from both sides. You will get