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Mathematics, 26.12.2019 13:31 shontelsims
Mary purchased a prepaid phone card for $15 . long distance calls cost 6 cents a minute using this card. mary used her card only once to make a long distance call. if the remaining credit on her card is $13.38 , how many minutes did her call last?
could you explain how you got this. (i am really hopeless at
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