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17-03-2021
Mathematics

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Kelsha purchased a prepaid phone card for $30. Long distance calls cost 21 cents a minute using this card. Kelsha used her card only once to make a long distance call. If the remaining credit on her card is $22.44, how many minutes did her call last?

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17-03-2021

Answer:

2.646

Step-by-step explanation:

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