Mathematics, 02.01.2020 09:31 19deleonl
Sam has a phone card that charges $1 to connect and $0.50 per minute. he also uses a cell phone that charges $3 to connect and $0.25 per minute. in how many minutes will calls made using the phone card and the cell phone cost the same?
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Sam has a phone card that charges $1 to connect and $0.50 per minute. he also uses a cell phone that...
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