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A floor 9 feet by 12 feet, is to be tiled with 4-inch-by-6-inch tiles. How many tiles are
needed to cover the floor?

 Apr 13, 2020
 #1
avatar+21004 
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The floor:  9 feet by 12 feet is the same as 108 inches by 144 inches.

The area will be 108 inches x 144 inches  =  15,552 square inches.

 

Each tile is 4 inches by 6 inches which is an area of 4 inches x 6 inches  =  24 square inches.

 

Dividing 15,552 square inches by 24 square inches gives an answer of 648 tiles.

 Apr 13, 2020

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