document.write( "Question 1161175: Patrick goes away to college. The first week he is away he calls his girlfriend using his
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document.write( "parents’ telephone credit card. The phone company charges 40 cents for the first
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document.write( "minute and 30 cents for each additional minute and then adds on a 50-cent service
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document.write( "charge for using the card. If his parents receive a bill for $13.80 for Patrick’s call, how
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document.write( "long did he talk? \n" );
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Algebra.Com's Answer #784646 by Alan3354(69443) You can put this solution on YOUR website! Patrick goes away to college. The first week he is away he calls his girlfriend using his \n" ); document.write( "parents’ telephone credit card. The phone company charges 40 cents for the first \n" ); document.write( "minute and 30 cents for each additional minute and then adds on a 50-cent service \n" ); document.write( "charge for using the card. If his parents receive a bill for $13.80 for Patrick’s call, how \n" ); document.write( "long did he talk? \n" ); document.write( "------------ \n" ); document.write( "m = minutes \n" ); document.write( "40 cents for the 1st minute + 30 cents for each additional minute ---> 30m + 10 \n" ); document.write( "----- \n" ); document.write( "1380 = 50 + 30m+10 \n" ); document.write( "30m = 1320 \n" ); document.write( "m = 44 minutes \n" ); document.write( " \n" ); document.write( " |