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19.7" * 19.7" = 388.09 sq inches
= 388.09/144 = 2.70 sq ft approx
So to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.
However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).
19.7" * 19.7" = 388.09 sq inches
= 388.09/144 = 2.70 sq ft approx
So to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.
However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).
19.7" * 19.7" = 388.09 sq inches
= 388.09/144 = 2.70 sq ft approx
So to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.
However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).
19.7" * 19.7" = 388.09 sq inches
= 388.09/144 = 2.70 sq ft approx
So to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.
However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).
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Ezra19.7" * 19.7" = 388.09 sq inches
= 388.09/144 = 2.70 sq ft approx
So to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.
However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).
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