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OpenStudy (anonymous):
A rectangle is four times as long as it is wide. It has an area of 36 square inches, what are its dimensions?
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OpenStudy (anonymous):
You have no other information?
OpenStudy (anonymous):
Haha, I'm sorry the info is all there.
OpenStudy (anonymous):
I know the answer is 3 inches by 12 inches but how do you get it?
OpenStudy (anonymous):
A= L x W 36 = 4W x W
OpenStudy (anonymous):
Since you the Length is equal to 4 times its width, you can replace L by 4W and then you isolate W
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