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a room measures 15 ft by 21 ft.How many square titles will be needed to cover the floor if the titles are 9 inches on a side?

 Jan 14, 2020
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15 ft =  15 ft x 12 in/ft = 180 inches      will 9 inches divide evenly ?/     Yes   180 / 9 = 20

21 ft = 21 ft x 12in/ft = 252 inches        will 9 divide evenly ?                    yes               28 tiles

 

20 x 28 = 560 tiles required

 Jan 14, 2020

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