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27 December, 20:19

Question 20 Linda purchased a prepaid phone card for $ 20. Long distance calls cost 21 cents a minute using this card. Linda used her card only once to make a long distance call. If the remaining credit on her card is $ 10.76, how many minutes did her call last?

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  1. 27 December, 20:41
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    Answer: 44 minutes

    Step-by-step explanation:

    Calls = 21 cents per minute

    Remaining credit after long distance call = $10.76

    Total credit used = $20 - $10.76

    = $9.24

    Minutes her call lasted = $ 9.24

    $0.21

    = 44 minutes.
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