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With measurements in feet and inches calculations have to be made in ordinary or decimal fractions.
3'5" = 35/12 = 41/12 : 19' 6" = 196/12 which simplifies to 191/2 = 39/2.
41/12 x 39/2 = 1599/24 = 6615/24 which simplifies to 665/8 sq ft
OR 3.41667 x 19.5 = 66.625 sq ft
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Length x width = square footage
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490 square feet.
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What is 196 percent of 560?
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How many square feet in 14x14?
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