Answer:
[tex]\frac{4}{9}[/tex]
Step-by-step explanation:
The ratio of pencils to erasers is
[tex]9:4[/tex]
Convert the ratio to a fraction.
[tex]\frac{9}{4}[/tex]
The fraction is now pencils to erasers.
The fraction of the number of erasers to pencils is:
[tex]\frac{4}{9}[/tex]
