Mathematics, 08.10.2020 04:01, RoyALP

Khadija purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this card. Khadija used her card only once to make a long distance call. If the remaining credit on her card is $16.92 , how many minutes did her call last

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Khadija purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using thi...