If you would like to know what is - 13/25 as a decimal, you can calculate this using the following step:
- 13/25 = - (4*13)/100 = - 52/100 = - 0.52
Result: - 13/25 as a decimal is - 0.52.
3 laps in 2.5 minutes
1 lap = 2.5/3 minute
20 laps = (2.5/3)*20 = 16.67
20 laps ≈ 16.67 minutes
The improper fraction to that is 167/3