SOLUTION: A job was wrongly estimated to be completed in 10 days by x machines. By deploying 3 extra machines, the job was in completed in 12 days. If only one extra machine was used, how ma

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A job was wrongly estimated to be completed in 10 days by x machines. By deploying 3 extra machines, the job was in completed in 12 days. If only one extra machine was used, how ma      Log On


   



Question 251988: A job was wrongly estimated to be completed in 10 days by x machines. By deploying 3 extra machines, the job was in completed in 12 days. If only one extra machine was used, how many more days than that estimated would it have taken to complete the job?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
When were the 3 machines added? on the first day or on the 11th day?
When was the one machine added? on the first day or on the 11th day?