AmaiyahHarrison23641 AmaiyahHarrison23641
  • 22-09-2022
  • Mathematics
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The telephone company offers two billing plans for local calls. plan 1 charges 31$ per month for unlimited calls and plan 2 charges 13$ per month plus 0.09$ 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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