Math
posted by Anonymous .
Mrs brown wants to tile her kitchen floor the tiles are 3 Inches on each side. The floor is 10 feet by 15 feet. How many tiles does she need?

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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