The time that it will take workers to do half of the job is; 4 hours 41 minutes 15 seconds
15 workers did the job in 8 hours.
Rate of 1 worker per hour = 15/8 portion per hour
- For 5 workers to do ½ the job, it means that the time is;
5 × 15/8 × ½ = 75/16 hours
Converting this to hours and minutes gives;
4 hours 41 minutes 15 seconds
Read more on work proportion at;
https://brainly.com/question/1781657
