document.write( "Question 203376: Karla has 70m of fencing and plans to make a square pen, in one side she is going to leave an opening is 1/2 of the length of the side. if she uses all 70m of fencing, how large can the square be? \n" ); document.write( "
Algebra.Com's Answer #153447 by rfer(16322)\"\" \"About 
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70 is perimeter, so it is the total of all four sides.
\n" ); document.write( "70/3.5=20m each side
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