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A table has an area of 12 ft2 and a perimeter of 16 ft2. What are the dimensions of the table?

Answer :

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Table = 12
Perimeter = 16
Length = x
Width = y

16 = 2x + 2y
2x + 2y - 16 = 0 ---- first dimension

2x × 2y = 12
4xy = 12
4xy - 12 = 0 ---- second dimension

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