document.write( "Question 241178: I have literally spent an entire day on this question. I think that it must be an inequality and some division must take place, but I am unable to find the solution. Here is the question: \r
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document.write( "A car rental company has two rental rates. Rate 1 is $63 per day plus .18 per mile. Rate 2 is $126 per day and .09 per mile. If you plan to rent a car for one week, how many miles would you need to drive to pay less by taking rate 2?\r
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document.write( "Any help is greatly appreciated. \n" );
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Algebra.Com's Answer #176616 by scott8148(6628) You can put this solution on YOUR website! 7 days in a week \n" ); document.write( "set the two costs equal to find the \"break even\" milage\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7(63) + .18m = 7(126) + .09m\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtracting [.09m + 7(63)] ___ .09m = 7(63)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dividing by .09 ___ m = 7(700) = 4900 miles\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you need to drive MORE THAN this to save money with rate 2 \n" ); document.write( " |