SOLUTION: Rachel purchased a prepaid phone card for $15. Long-distance calls cost 6 cents a minute using this card. Rachel used her card only once to make a long-distance call. If the remain
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-> SOLUTION: Rachel purchased a prepaid phone card for $15. Long-distance calls cost 6 cents a minute using this card. Rachel used her card only once to make a long-distance call. If the remain
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Question 1169971: Rachel purchased a prepaid phone card for $15. Long-distance calls cost 6 cents a minute using this card. Rachel used her card only once to make a long-distance call. If the remaining credit on her card is $12.42, how many minutes did her call last?
