document.write( "Question 25606: Let's say that you are planning on taking a road trip and you go online to search for competitive rates for rental cars. You see that Hertz charges $25.00 a day and 10 cents a mile, while Avis charges $5.00 a day and 50 cents a mile. You must figure out which company has the better deal. \n" ); document.write( "
Algebra.Com's Answer #13790 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! Let's say that you are planning on taking a road trip and you go online to search for competitive rates for rental cars. You see that Hertz charges $25.00 a day and 10 cents a mile, while Avis charges $5.00 a day and 50 cents a mile. You must figure out which company has the better deal. \n" ); document.write( "YOU HAVE NOT GIVEN ONE DATA ..THAT IS NUMBER OF DAYS YOU WISH TO TRAVEL OR KEEP THE CAR ..LET US TAKE IT AS ONE DAY.YOU CAN DO IN A SIMILAR WAY FOR MORE NUMBER OF DAYS ALSO. \n" ); document.write( "LET US TAKE DISTANCE TO BE COVERED AS X MILES...SAY....WE SHALL FORMULATE GUIDELINES FOR CHOICE ON THE BASIS OF VALUE OF X. \n" ); document.write( "HERTZ CHARGES = 1 DAY*25 $/DAY + 0.1 $/MILE *X=25+0.1X \n" ); document.write( "AVIS CHARGES = 1 DAY*5 $/DAY + 0.5 $/MILE *X=5+0.5X \n" ); document.write( "HENCE THE CUT OFF POINT IS WHEN BOTH ARE EQUAL \n" ); document.write( "25+0.1X=5+0.5X \n" ); document.write( "25-5=0.5X-0.1X=0.4X \n" ); document.write( "20=0.4X \n" ); document.write( "X=20/0.4 = 200/4=50 MILES...HENCE THE GUIDE LINE IS IF YOU ARE TAKING FOR 1 DAY AND TRAVELLING LESS THAN 50 MILES GO FOR AVIS. OTHERWISE GO FOR HERTZ...THAT IS IF YOU TRAVEL MORE THAN 50 MILES. \n" ); document.write( " |