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Mathematics, 26.06.2019 23:00 kekeke68

Yoko purchased a prepaid card for $15. long distance calls cost $.13 a minute using this card. yoko used her card only to make a long distance call. if the remaining credit on her card is $11.49 how many minutes did her call last ?

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Yoko purchased a prepaid card for $15. long distance calls cost $.13 a minute using this card. yoko...
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