document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #502879 by josgarithmetic(39620)\"\" \"About 
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Guessing that the $30 is for both the phone and the service, if \"t\" is the number of minutes of long distance call, then \"t%2A%280.17%29\" is the cost of her call.\r
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\n" ); document.write( "\n" ); document.write( "\"30-0.17%2At=27.11\"
\n" ); document.write( "If that makes sense, then this is good. Solve for t.
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