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Mathematics, 07.09.2020 04:01 bethania26

Question 7 Susan purchased a prepaid phone card for $25. Long distance calls cost 21 cents a minute using this card. Susan used her card only once to make a long
distance call. If the remaining credit on her card is $21.01, how many minutes did her call last?

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Question 7 Susan purchased a prepaid phone card for $25. Long distance calls cost 21 cents a minute...
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