No, you are filling the rectangle with the tiles, so we are talking about AREA.
area = 60 x 26 = 1560
so you need 1560 tiles
(the fact that the perimeter is 172 ft was not needed, we could have calculated that anyway)
How many 1ft tiles are needed if the perimeter is 172 ? The rectangle is 60 x 26 !! So I took 60x2 + 26x2 =172 I'm thinking bc the tiles 1ft square so 172
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