jadg1506 jadg1506

21-07-2016
Mathematics

contestada

Maya purchased a prepaid phone card for $25. Long distance calls cost 23 cents a minute using the card. Maya used her card only once to make a long distance call. If the remaining credit on her card is $17.64, how many minutes did her call last?

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nobillionaireNobley nobillionaireNobley

24-07-2016

Amount spent on the last call = $25 - $17.64 = $7.36 = 736 cents
Number of minutes used for last call = 736 / 23 = 32 minutes.

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