Question 563839
L = 6w
W = w

Area of the rectangle = lw

6w(w) = 600
6w^2 = 600
w^2 = 100
w = square root of 100
w = 10

L = 6(10) = 60in
W = 10in

Perimeter of a rectangle: 2(L + W)

P = 2(60 + 10)
P = 2(70)
P - 140in