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a tiler wants to tile a rectangular wall which measures 4m by 2.5m. Each tile measures 16cm by 10cm. How many tiles will he need for the wall?

a tiler wants to tile a rectangular wall which measures 4m by 2.5m. Each tile measures 16cm by 10cm. How many tiles will he need for the wall? class=

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leeandrews2

there are 100 cm in 1 meter. the dimensions are 400cm by 250cm. depending on which way you turn them, they will fit better. if you take 400 divided by 16, you will have a row of 25 wide and if you divide 250 by 10, you will have a length of 25. you now have 25 rows of 25. 25x25 is 625 tiles.

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