Mathematics
Mathematics, 10.12.2020 17:00, mathlady12

The telephone company offers two billing plans for local calls. Plan 1 charges $30 per month for unlimited calls and Plan 2 charges $15 per month plus $0.04 per call. Use an inequality to find the number of monthly calls for which plan 1 is more economical than plan 2

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The telephone company offers two billing plans for local calls. Plan 1 charges $30 per month for unl...

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