SOLUTION: Ann purchased a prepaid phone card for $15. Long distance calls 23 cost cents a minute using this card. Ann used her card only once to make a long distance call. If the remaining

Algebra ->  Average -> SOLUTION: Ann purchased a prepaid phone card for $15. Long distance calls 23 cost cents a minute using this card. Ann used her card only once to make a long distance call. If the remaining       Log On


   



Question 1147306: Ann purchased a prepaid phone card for $15. Long distance calls 23 cost cents a minute using this card. Ann used her card only once to make a long distance call. If the remaining credit on her card is $8.56, how many minutes did her call last?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x minutes
15-0.23x=8.56
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