document.write( "Question 425907: A train left Town A at 8:50 a.m., it passed Town B at 9:30 a.m. and arrived at Town C at 10:30 a.m. The distance between Town A and Town B is 100 km. Between Town B and Town C, the train travelled at 110 km/h. What was the average speed of the train for the whole journey?
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Algebra.Com's Answer #296407 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A to B is 100 km \n" ); document.write( "B to c speed 110 km/h traveled for 1 hour so distance = 110 km.\r \n" ); document.write( "\n" ); document.write( "Total distance = 210 km \n" ); document.write( "Total time = 10:30 - 8:50 = 1 h 40 minutes = 1 2/3 hours===> 5/3 hours \n" ); document.write( "Rate = distance / time \n" ); document.write( "Rate = 210/(5/3) \n" ); document.write( "Rate = 210*3/5 \n" ); document.write( "Rate = 42*3 \n" ); document.write( "Rate = 126 km/h ====> average speed of the journey \n" ); document.write( " |