Mathematics, 02.09.2019 01:50, bajus4121

Debra purchased a prepaid phone card for $25 . long distance calls cost 19 cents a minute using this card. debra used her card only once to make a long distance call. if the remaining credit on her card is $21.58 , how many minutes did her call last?

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Debra purchased a prepaid phone card for $25 . long distance calls cost 19 cents a minute using this...