Posted by Anonymous on Friday, December 30, 2011 at 3:01pm.
Wouldn't she need 40 times to run along the 10 ft side?
Wouldn't she need 60 tiles to run along the 15 ft side?
So what is 40 x 60 ?
or
area of floor = 150 square feet.
She will need 16 tiles for each square foot.
So .....
convert feet to inches:
10 feet = 120 inches
15 feet = 180 inches
get the area of the floor:
120in x 180in= 21,600in^2
divide the area of the floor to the area of the tile:
area of the tile is "9in^2"
21600in^2 divided by 9in^2 is 2,400 tiles.
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