document.write( "Question 485340: Two cars travel at the same distance. The first car travels at 40mph and reaches its destination in (t) hours. The second car travels at a rate of 55 mph and reaches its destination 3 hours earlier than the first car. How long does it take for car one to reach its destination?
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Algebra.Com's Answer #331944 by mananth(16946)![]() ![]() You can put this solution on YOUR website! D= r*t\r \n" ); document.write( "\n" ); document.write( "First car \n" ); document.write( "D= 40t\r \n" ); document.write( "\n" ); document.write( "Second car \n" ); document.write( "D= 55(t-3)\r \n" ); document.write( "\n" ); document.write( "40t=55(t-3) \n" ); document.write( "40t=55t-165 \n" ); document.write( "40t-55t=-165 \n" ); document.write( "-15t=-165 \n" ); document.write( "t= 11 hours\r \n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |