900
900 ÷ 2/5 = 2,250
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 900 is an odd number.
45
450
An infinite number of numbers can be divided by 450. The smallest two numbers that can be divided by 450 are 450 (450 divided by 450 equals 1) and 900 (900 divided by 450 equals 2).
900
900 divided by 4 = 225
0.8889
900
1.8
its just like 9000 divided by 2, you would get: 4500