document.write( "Question 341472: Karen purchased a prepaid phone card for $15. long distance calls cost 14 cents per minute using this card. Karen used her card only once to make a long distance call. Ifthe remaing credt on her card is $12.34, how many minutes did her last call last? \n" ); document.write( "
Algebra.Com's Answer #244568 by edjones(8007) You can put this solution on YOUR website! Let x be time that the call lasted. \n" ); document.write( "15-.14x=12.34 \n" ); document.write( "-.14x=-2.66 \n" ); document.write( "x=2.66/.14 \n" ); document.write( "x=19 min. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |