The correct answers are, length is 21 inches, and the width is 10 inches.
L=length; W=width.
L-2W=1
L=2W+1
P=2(L+W)
62in=2((2W+1)+W)
31in=3W+1
30in=3W
10in=W
The width is 10 inches.
L=2W+1=2(10in)+1=20in+1in=21in
The length is 21 inches.
Proof ;)
P=2(L+W)
62in=2(21in+10in)
62in=2(31in)
62in=62in
