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Mathematics, 01.10.2019 18:00 pwolfiimp4

Elena is doing a fund-raising mailing for her after-school drama club. she decides to include a brochure in 80% of the letters she mails. if she mails 500 letters, how many will not contain a brochure?

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Elena is doing a fund-raising mailing for her after-school drama club. she decides to include a broc...
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