20
Let the missing number be x and so if x/50 = 2.5 then the missing number is 125
19.2
The question is not a solvable equation. It could be any number.
9
2
9
96 !
It is 12 because 3*6*12 = 216.
0.0255
The number divided by 38 that equals 9 is 342.
0.5102
Dividend divided by divisor equals quotient.
Any number divided by itself equals 1.