Mathematics, 19.11.2020 20:40 hunterthompson2

In 2007, the average e-mail user sent 578 personal and business e-mails each week. The number of personal e-mails was 30 fewer than the number of business e-mails. How many personal e-mails were sent?

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In 2007, the average e-mail user sent 578 personal and business e-mails each week. The number of per...

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