If one worker can complete ajob in 6 days and asecond worker takes 12 days to complete the same job.how long will it take them working together?

co-worker If one worker can complete ajob in 6 days and asecond worker takes 12 days to complete the same job.how long will it take them working together? co-worker 的中文 coworker还是co-worker co-worker与worker有什么不一样 翻译：A good co-worker is responsibe. colleague与co-worker的区别 co-partner 和co-worker分别的意思和区别 co- 开头的英文单词是什么意思co-worker co-direct之类的单词中的co-什么意思? 英语翻译An old carpenterAn old carpenter is ready to retire.He tells his boss he is going to leave the house-building business and live a happy life with his wife.The boss is sad to see his good worker go and asks if he can build just one more ho one is worker,is a teacher 造句：If I can be a teacher one day,___________. If you m___,you can always catch a_____ one later. worker 英文 我们还需要一名工人,谁能给再找一个We need one 空 worker.Who can find 空 空 How can you find yourself if no one can see you? If you can be a teacher one day,then I can draw your picture well. If you can be a teacher one day,then I can draw your picture well.