A marble tile measures 20 cm by 15 cm.how many tiles will be required to cover a wall of size 5m by 3m?
1 answer:
First, we get the area of each tile: (100 cm = 1m) .20 m* .15 m = 0.03m^2 Then, we solve for the total area of the wall: 5m*3m= 15m^2 Then we divide 15/0.03 = 500 tiles
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