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Lisa purchased a prepaid phone card for $25. Long-distance calls cost $.21 a minute using this card. Alyssa used her card only wants to make a long distance call. If the remaining credit on her card is
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Lisa purchased a prepaid phone card for $25. Long-distance calls cost $.21 a minute using this card. Alyssa used her card only wants to make a long distance call. If the remaining credit on her card is $20.59, how many minutes did her call last?

User Daryus
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7 votes
21 minutes
You have to take away 25-20.59 then divide the answer by 0.21
User Arikan
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