Lashonda purchased a prepaid phone card for $20. long distance calls cost 18 cents a minute using this card. lashonda used her card only once to make a long distance call. if the remaining credit on her card is $12.08, how many minutes did her call last

Question

Mathematics

Arthur

11 December, 04:51

Lashonda purchased a prepaid phone card for $20. long distance calls cost 18 cents a minute using this card. lashonda used her card only once to make a long distance call. if the remaining credit on her card is $12.08, how many minutes did her call last

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Answers (1)

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Levi Ho · Answer 1

Let the number of minutes be = x.

Cost per minute = 18 cents = 0.18

Amount for last call = $20 - $12.08 = $7.92

Number of minutes = Amount / Cost per minute

= 7.92 / 0.18

= 44

Call lasted 44 minutes.