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Mathematics, 17.09.2019 02:00 landsjr69
The telephone company offers two types of service. with plan a, you can
make an unlimited number of local calls per month for $18.50. with
plan b, you pay $6.50 monthly, plus 10 cents for each min of calls after
the first 40 min. at least how many min would you have to use the tele-
phone each month to make plan a the better option?
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Answers: 3
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