The total perimeter of all three windows is:
Perimeter = 3 * (2*6 + 2*4) = 3 * (12 + 8) = 3 * 20 = 60 feet
Therefore, Jan will need 60 feet of string lights to hang around the three windows.
Jan is decorating his home for the holidays and wants to hang lights in the three of his living room windows. Each window is a rectangle measuring 6 feet x 4 feet how many feet of string lights will be hanging around the three windows
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