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a rectangular table is two times as long as it is wide. if the area is 18ft^2, find the length and the width of the table.

Respuesta :

altavistard
Start here:  A = 18 ft^2 = L * W.  Next, L = 2W.

Merging these 2 formulas lets us eliminate L:

18 ft^2 = (2W) * (W) = 2W^2.

So W^2 = 9 ft^2, and W=3 ft.  Please use L = 2W (from above) to calculate L.

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