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Hi,

The length exceeds the width by 41 inches.
Let x and (x+41in) represent the width and length respectively
Question states***
2(x+41in) + 2x = 210in
4x = 128in
x = 32in, the width. the length is 73in. (32in + 41in)
CHECKING our Answer***
2*32in + 2*73in = 64in + 146in = 210in