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Mathematics, 24.03.2020 19:16 eweqwoewoji

Mrs. Baca uses a phone card to call her relatives in Colombia. It costs her 45 cents to talk for 15 minutes. What is the call rate for the phone card? Show your work.

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Mrs. Baca uses a phone card to call her relatives in Colombia. It costs her 45 cents to talk for 15...
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