You can put this solution on YOUR website!
Let x= length (because this is the last phrase in the first sentence!)
x-6 = width
2W + 2L = Perimeter
2(x-6) +2(x)= 56
Add +12 to each side:
56 It checks!!
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Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus