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Jina purchased a prepaid phone card for $30 . Long distance calls cost 22 cents a minute using this card. Jina used her card only once to make a long distance call. If the remaining credit on her card
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Jina purchased a prepaid phone card for $30 . Long distance calls cost 22 cents a minute using this card. Jina used her card only once to make a long distance call. If the remaining credit on her card is $25.82 , how many minutes did her call last?

User Ratty
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19 minutes. subtract the new balance from the original total. divide by .22
User Danilo Gomes
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