SOLUTION: Amy purchased a prepaid phone card for $30.00 . Long distance calls cost 17 cents a minute using this card. Amy used her card only once to make a long distance call. If the remaini

Question 834279: Amy purchased a prepaid phone card for $30.00 . Long distance calls cost 17 cents a minute using this card. Amy used her card only once to make a long distance call. If the remaining credit on her card is ,$27.11 how many minutes did her call last?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Guessing that the $30 is for both the phone and the service, if is the number of minutes of long distance call, then is the cost of her call.

If that makes sense, then this is good. Solve for t.
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