16-25. Convert the given common fractions to decimal fractions.

Solution:

1. \( \frac{1}{5} = 0.2 \)
2. \( \frac{3}{20} = 0.15 \)
3. \( \frac{12}{25} = 0.48 \)
4. \( \frac{3}{40} = 0.075 \)
5. \( \frac{17}{20} = 0.85 \)
6. \( \frac{3}{20} = 0.15 \)
7. \( \frac{7}{8} = 0.875 \)
8. \( \frac{4}{125} = 0.032 \)
9. \( \frac{77}{200} = 0.385 \)
10. \( 8\frac{41}{250} = 8.164 \)

Answer: 16. 0.2; 17. 0.15; 18. 0.48; 19. 0.075; 20. 0.85; 21. 0.15; 22. 0.875; 23. 0.032; 24. 0.385; 25. 8.164.