Question 328488
L=W+40
P=2L+2W
284=2(W+40)2W
284=2W+80+2W
4W=284-80
4W=204
W=204/4
W=51 FT.
L=51+40=91 FT.
PROOF:
284=2*91+2*51
284=182+102
284=284