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Mathematics, 29.06.2019 14:00 ariano76

Kiersten runs a website that people learn programming. every month, kiersten receives a subscription fee of \$10$10 from each of the subscribers to her website. last month, the website had 100100 subscribers. this month, 3030 new members joined the website, and 1010 members cancelled their subscription. how much money will kiersten’s online business earn this month?

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