The perimeter of a rectangle is 66 m. the length is 1 m more than three times the width. find the dimensions of the rectangle.

P = Perimeter
L = Length
W = Width

L = 1 + 3W (1m more than 3 times the Width)
W = W

Rectangle has 4 sides

2(1+3W) + 2W = 66
2+6W+2W=66
2+8W=66
8W=64
W=8

Plug 8 in L to find Length side

L = 1+3(8)
L= 1+24
L=25

Check**
2(L) + 2(W) = 66
2(25) + 2(8) = 66
50 + 16 = 66
66 = 66

:D

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