Working together, two men can do a job 6 days. working alone, however it would take one may 5 days earlier than it would take the other to complete the job. how long would it take each separately? working together a couple can do a job in 20 hours working alone, however, it would take the wife 9 hours longer than it would take her husband to complete the job. how long would it take for a wife to complete the job?

first question:

one may take 3 days while the other may take 8 days alone.

second question:

wife= nineteen hours

husband=ten hours