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vaieri [72.5K]
3 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]3 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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Answer:

\fbox {x = 2}

Step-by-step explanation:

<u>Given</u> :

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The formula for finding the perimeter of a quadrilateral is  Length + Length + Width + Width.

<h3>What is Perimeter?</h3>
  • A perimeter is the path that surrounds a certain shape. To calculate the path that surrounds a quadrilateral, we need to get the sum of its four sides, both lengths and widths, lengths being the longest sides and the widths being the shortest.
  • The formula used for calculating perimeter is Perimeter = Length + Length + Width + Width.
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