Posted by **keisha** on Friday, November 23, 2007 at 3:42pm.

Marcus has 68 ft of fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangle be?

a. 19 by 21

b. 21 by 13

c. 17 by 17

d. 19 by 15

I got a. Is this right?

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