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21-02-2018
Mathematics

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A marble tile measures 20 cm by 15 cm.how many tiles will be required to cover a wall of size 5m by 3m?

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derpmags21 derpmags21

21-02-2018

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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