No spam, better life

Algebra Level 1

Supposed it takes 5 seconds for one to read an e-mail, 60 seconds to write and send it and 10 seconds to retrieve all e-mails from the servers.

How long does it take (in second) for a secretary to read and answer all 100 e-mails that was sent to her company last night?


  • There was no new e-mail nor spam on that day.
  • All e-mails was retrieved at once.

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