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Christine purchased a prepaid phone card for $25 . Long distance calls cost 21 cents a minute using this card. Christine used her card only
Question
Christine purchased a prepaid phone card for $25 . Long distance calls cost 21 cents a minute using this card. Christine used her card only once to make a long distance call. If the remaining credit on her card is $17.23 , how many minutes did her call last?
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Mathematics
3 years
2021-08-23T04:48:05+00:00
2021-08-23T04:48:05+00:00 1 Answers
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Answer : 37 minutes
Step-by-step explanation:
Subtract 25 and 17.23 then divide by 0.21
25-17.23=7.77 divide by 0.21 (21 divided by 100) =37