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Mathematics, 14.11.2020 06:00 RivvytheFanboy6510

Amanda purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this card. Amanda used her card only once to make a long distance call. If the remaining credit on her card is $16.81, how many minutes did her call last?
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Amanda purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this...

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