2
40
40
No because 1/2 of 40 is 20 and 40 divided by 1/2 is 80.
9.05
Because 40 can be divided by 2 with no remainder.
20
40 can be divided by 1, 2, 4, 5, 8, 10, 20, 40.
40.2857
2.5
2.375
1/2 because 20 divided by 10 = 2 and 40 divided by 10 =4 then 2/4 both divided by 2 = 1/2 so yah