Answer
Find out the how many individual bags will she need for all of the jelly beans.
To proof
Let us assume that the number of  individual bags be x .
As given
[tex]Emily\ is\ dividing\ 15\ pounds\ of\ jelly\ beans\ into\ \frac{3}{4}lb\ bags.[/tex]
Than the equation becomes
[tex]\frac{x\times3}{4} = 15[/tex]
Solving the above
[tex]x = \frac{4\times 15}{3}[/tex]
x = 20
Therefore the number of bags are 20 .
Option (D) is correct .
Hence proved
