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Mathematics, 05.06.2020 21:06 john092103
Ann purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this card. Ann used her card only once to make a long distance call. If the remaining credit on her card is $16.37, how many minutes did her call last?
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Ann purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this ca...
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