Mathematics, 03.10.2019 12:30, enriquecastillo1196

Jenny purchased a prepaid phone card for $30 . long distance calls cost 6 cents a minute using this card. jenny used her card only once to make a long distance call. if the remaining credit on her card is $27.12 , how many minutes did her call last

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Jenny purchased a prepaid phone card for $30 . long distance calls cost 6 cents a minute using this...