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20.09.2020 •
Mathematics
The telephone company offers two billing plans for local calls. Plan 1 charges $37 per month for unlimited calls and Plan 2 charges $14 per month plus $0.05 per
call
a. Use an inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2.
b. Explain the meaning of the answer to part a
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