8. For his business, Gil has determined that the time it takes to finish a job varies inversely with the number of workers. This can be expressed as the equation below where T = time, k is a constant, and w = number of workers.
Gil's records show that 18 workers can finish a job in 6 days.
How many days will it take 12 workers to do the same job?
Let x is a number of days that 12 workers need tofinish this job. 12 workers by x days can do the same job as 18 workers by 6 days. the we can write the equation: 12*x=18*6 x=18*6/12=9 Answer: B. 9