SOLUTION: If the rectangle's length is twice other rectangle does this necessary imply that its area is also twice as large as that of the second?

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Question 974779: If the rectangle's length is twice other rectangle does this necessary imply that its area is also twice as large as that of the second?
Answer by Jamie-L(5) About Me  (Show Source):
You can put this solution on YOUR website!
If the width is kept constant, then yes.
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5 x 4 (constant width) =20
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10 x 4 (constant width) = 40