Elsa purchased a prepaid phone card for $20 . Long distance calls cost 12 cents a minute using this card. Elsa used her card only once to make a long distance call. If the remaining credit on her card

Elsa purchased a prepaid phone card for $20 . Long distance calls cost 12 cents a minute using this card. Elsa used her card only once to make a long distance call. If the remaining credit on her card is $14.84 , how many minutes did her call last?

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Elsa purchased a prepaid phone card for $20 . Long distance calls cost 12 cents a minute using this card. Elsa used her card only once to make a long distance call. If the remai…

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