SOLUTION: A farmer is enclosing a rectangular area for a pigpen. He wants the length of the pen to be 15 ft longer than the width. The farmer can only afford no more than 150 ft of fencing.

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Question 1109718: A farmer is enclosing a rectangular area for a pigpen. He wants the length of the pen to be 15 ft longer than the width. The farmer can only afford no more than 150 ft of fencing. What is the pen's greatest possible length?

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
If x is length, then x-15 is the width.

2x%2B2%28x-15%29%3C=150
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x%2Bx-15%3C=75
2x%3C=90
highlight%28x%3C=45%29