Answer:
A) 1/12
Step-by-step explanation:
Half of 1/3 is 1/6. But that would only be dividing by 2. If you half 1/6, which would be dividing 1/3 by 4, you get 1/12.
Answer:
3
Step-by-step explanation:
3x20=60
Answer: The answer is (D) 
Step-by-step explanation: Given that there is a rectangle, where length of the rectangle is given by

and width of the rectangle is given by

We are to find the perimeter of the rectangle. To do so, we need to add two times length with two times breadth of the rectangle.
Therefore, perimeter is given by

Thus, the correct option is (D).
Jo divided the rectangle into 4 parts if each part is 1/4 of the whole rectangle. 4 is the denominator which is the number of parts that has been divided.