document.write( "Question 307732: Yoko purchased a prepaid phone card for $30. Long distance calls cost 9 cents a minute using this card. Yoko used her card only once to make a long distance call. If the remaining credit on her card is $27.93, how many minutes did her call last? \n" ); document.write( "
Algebra.Com's Answer #220108 by rfer(16322)\"\" \"About 
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30-27.93=2.07
\n" ); document.write( "2.07/.09=23 min
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