yuhhhhh2223 yuhhhhh2223
  • 20-07-2017
  • Mathematics
contestada

You need to order carpet for a room that has a length that is twice its width. if the area of the room is 128 ft 2, find the width of the room.

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texaschic101
texaschic101 texaschic101
  • 20-07-2017
A = L * W
L = 2W
A = 128

128 = 2W * W
128 = 2W^2
128/2 = W^2
64 = W^2
sqrt 64 = W
8 = W <== width

L = 2W
L = 2(8)
L = 16 <== length
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