Mathematics, 13.07.2019 06:50 maddy6882

Took purchased a prepaid phone card for $20. long distance calls cost 7 cents a minute using this card. yoko used her card only once to make a long distance call. if the remaining credit on her card is $15.92, how many minutes did her call last?

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Took purchased a prepaid phone card for $20. long distance calls cost 7 cents a minute using this ca...