Posted by **irma** on Monday, March 8, 2010 at 11:26pm.

A farmer with 3000 feet of fencing wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the largest area that can be enclosed?

- intermediate algebra -
**FredR**, Tuesday, March 9, 2010 at 4:18am
Area = A x B

Total length = 3000 = A + 2B

B = (3000-A)/2 so,

Area = A x (3000-A)/2 =

= 3000A/2 - (1/2)A^2

take 1st derivative

0 = 1500 - A and solve for A

A = 1500 and B = 750

- intermediate algebra -
**Anonymous**, Friday, September 19, 2014 at 3:47pm
2345

- intermediate algebra -
**6666666666666666**, Thursday, October 15, 2015 at 10:55pm
66666666666666666666666666666666666666666666

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