[tex]8.83[/tex]cents
Explanation:
[tex](25 \times 4) + (5 \times 10) + (9 \times 1)[/tex]
[tex] = > 159[/tex] cents
Now,
[tex] \frac{159}{(4 + 5 + 9)}[/tex]
[tex] = > \frac{159}{18} [/tex]
[tex] = > 8.83[/tex]
Hence, the average value of coins is [tex]8.83[/tex]cents