Solution to Tiles in Java

/*Program*/


public class Tiles {
	public static void main(String[] args){
		int tiles;
		for(int rows=10;rows<=100;rows=rows+10){
			tiles=(int) Math.ceil(4000.0/rows);
			System.out.println(tiles+" X "+rows+" = "+tiles*rows);
		}
	}
}

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OUTPUT

400 X 10 = 4000
200 X 20 = 4000
134 X 30 = 4020
100 X 40 = 4000
80 X 50 = 4000
67 X 60 = 4020
58 X 70 = 4060
50 X 80 = 4000
45 X 90 = 4050
40 X 100 = 4000