SOLUTION: A rectangular pen is built by using 100 ft of fencing. If a river is on one side and no fencing is placed along it, what is the expression of the area of the pen in terms of x?

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Question 1040217: A rectangular pen is built by using 100 ft of fencing. If a river is on one side and no fencing is placed along it, what is the expression of the area of the pen in terms of x?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You haven't defined x.
Please repost with additional information.