document.write( "Question 93503: I hope this is the last question I have on this homework assignment, could someone please help?
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document.write( " On a 195mi trip, a car traveled at an average speed of 45mph and then reduced its speed to an average of 30mph for the remainder of the trip. The trip took a total of 5 hours. How long did the car travel at each speed? Thanks for any help you are able to give. \n" );
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Algebra.Com's Answer #68083 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 195=45x+35(5-x) \n" ); document.write( "195=45x+175-35x \n" ); document.write( "10x=195-175 \n" ); document.write( "10x=20 \n" ); document.write( "x=20/10 \n" ); document.write( "x=2 hours @ 45 mph. \n" ); document.write( "5-2=3 hour for 35 mph. \n" ); document.write( "proof \n" ); document.write( "195=45*2+35*3 \n" ); document.write( "195=90+105 \n" ); document.write( "195=195 \n" ); document.write( " \n" ); document.write( " |