SOLUTION: A computer can process the payroll for Hometel in 13 hours. An older back-up computer needs 14 hours to process payroll. How long would the job take if the two computers are both u

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A computer can process the payroll for Hometel in 13 hours. An older back-up computer needs 14 hours to process payroll. How long would the job take if the two computers are both u      Log On


   



Question 1146544: A computer can process the payroll for Hometel in 13 hours. An older back-up computer needs 14 hours to process payroll. How long would the job take if the two computers are both used to do the job?
Answer by josgarithmetic(39620) About Me  (Show Source):