Mathematics, 11.07.2019 02:00 gshreya2005
Susan purchased a prepaid phone card for $ 20 . long distance calls cost 23 cents a minute using this card. susan used her card only once to make a long distance call. if the remaining credit on her card is $ 13.79 , how many minutes did her call last?
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Susan purchased a prepaid phone card for $ 20 . long distance calls cost 23 cents a minute using thi...
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