Posted by **Alex** on Saturday, January 19, 2013 at 12:48am.

A rectangular field will be fenced on all four sides. Fencing for the north and south sides costs $5 per foot and fencing for the other two sides costs $9 per foot. What is the maximum area that can be enclosed for $6000?

- Math -
**Kerbie**, Wednesday, January 30, 2013 at 6:46pm
6000=2(5x)+2(9x)

6000=10x+18x

6000=28x

214.3=x

214.3*214.3 = 45924.5 sq ft

A square gives the maximum area. So therefore the sides are equal(x).

- Math -
**WOW**, Thursday, January 7, 2016 at 9:22pm
Kerbie:

HOW THE SIDES ARE EQUAL SINCE IT IS A RECTANGULAR GARDEN?

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