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28 December, 17:26

Lisa purchased a prepaid phone card for $25. long distance calls cost 16 cents a minute using this card. lisa used her card only once to make a long distance call. If the remaining credit on her card is $20.52, how many minutes did her last call last

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  1. 28 December, 17:36
    0
    25 - 20.52 = 4.48

    4.48/.16 = 28

    her call lasted 28 minutes
  2. 28 December, 17:45
    0
    25-20.52=4.48

    4.48/0.16=28 minutes
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Home » Mathematics » Lisa purchased a prepaid phone card for $25. long distance calls cost 16 cents a minute using this card. lisa used her card only once to make a long distance call. If the remaining credit on her card is $20.
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