The foor of a rectangular room is covered with equal numbers of red and blue square tiles. The room is x tiles wide and y tiles long. If only red tiles are placed around the edge of the room and all of them are used for the boundary, nd all possible values of x and y.
Floor tile problem
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linear-algebra
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0i apologise found this online, want to see if what i did was correct – 2012-06-14
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1If you found this online it is always good to provide the link of the source. Also you should tell us what you did. – 2012-06-14