To replace the floor tiles for the room, we used to use square tiles with a side length of 15 cm, a total of 1000 pieces. Now we need to replace them with large square tiles with a side length of 25 cm, which needs to be replaced How many such tiles?

To replace the floor tiles for the room, we used to use square tiles with a side length of 15 cm, a total of 1000 pieces. Now we need to replace them with large square tiles with a side length of 25 cm, which needs to be replaced How many such tiles?

15*15*1000/(25*25)
=360
There are 360 tiles like this