SOLUTION: If the length and width of a rectangle are both doubled, find the ratio of the area of the new rectangle to the area of the original rectangle. Prove your assertion.
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Question 443905: If the length and width of a rectangle are both doubled, find the ratio of the area of the new rectangle to the area of the original rectangle. Prove your assertion.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
4:1
Let 
represent the width of the original rectangle. Let 
represent the length of the original rectangle. The area of the original rectangle is then 
Then the width of the new rectangle is 
and the length of the new rectangle is 
. The area of the new rectangle is (2l)\ =\ 4lw)
John
My calculator said it, I believe it, that settles it
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