TightKnowsDaWhey
02.09.2021 •
Mathematics
The new Xerox machine working alone can complete a job in 20 minutes. To do the same job it
would take the old Xerox machine 50 minutes. How long would it take them to complete the job if
they worked together?
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Ответ:
28 :D
Step-by-step explanation:
or 30 :D Idk..