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vaieri [72.5K]
2 years ago
8

Isabel purchased a prepaid phone card for $20. Long-distance calls cost 18 cents a minute using this card. Isabel used her card

only once to make a long-distance call. If the remaining credit on her card is $14.24, how many minutes did her call last?
Mathematics
1 answer:
Mandarinka [93]2 years ago
7 0

Answer:

20 - .07c = 17.13

20 - 17.13 = 2.87

2.87/7 = 41

Her call took 41 minutes

Step-by-step explanation:

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