A jeweler is dividing
3
8
of a pound of rubies among 4 lots. What part of a pound will each lot weight
A)
1
4
B)
1
8
C)
1
16
D)
3
32

OPTION D:  

Step-by-step explanation:

By definiton, fractions have the following form:

Where "a" is called numerator and "b" is the denominator. The numerator and the denominator are Integers.

 In order to solve this exercise you need to remember de Division of fractions:

In this case, according to the information given in the exercise, you know that of rubies are divided into 4 lots.

Therefore, in order to calculate the weight in pounds of each lot, you need to divide  by 4.

Then, you get the following result:

As you can notice, this result matches with the Option D.