Posted by Albert on Thursday, December 15, 2011 at 3:46pm.
A rectangle field with area of 1,500,000 needs to be fenced. 2W+2L=5,000. solve for L and W

College Algebra  Reiny, Thursday, December 15, 2011 at 5:19pm
so you would have
WL = 1500000
and W+L = 2500
or L = 2500W
back into the 1st...
W(2500W) = 1500000
w^2 + 2500W  1500000 = 0
w^2  2500W + 1500000=0
(W1500)(W  1000) = 0
W = 1500 or W = 1000
If W = 1500, then L = 1000
I W = 1000 , then L = 1500
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