Answer:
The answer is B. 1
Explanation:
If you set up the equation in a different but also the same way like: 1/4 x 4/1, you can multiply just like that. First multiply the numerator which is 1 times 4 or also 4. Then you multiply 4 times 1 to get 4. Altogether you get 4/4 or if you simplify it, you get 1