The local post office has two electronic mail
processors. The newer machine works three
...
Mathematics, 14.02.2020 09:23 assassin42
The local post office has two electronic mail
processors. The newer machine works three
times as fast as the older one. Together the
two machines process 1000 pieces of mail in
25 minutes. How long does it take the older
machine to process 1000 pieces of mail?
Answers: 1
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