document.write( "Question 388224: A car travels for 90 miles at an average speed 60mph. Due to traffic it then reduces its average speed to 30mph for a further 60 miles. How long does the journey take?
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Algebra.Com's Answer #274513 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A car travels for 90 miles at an average speed 60mph. Due to traffic it then reduces its average speed to 30mph for a further 60 miles. How long does the journey take? \n" ); document.write( ".. \n" ); document.write( "Speed = 60 mph \n" ); document.write( "distance = 90 miles \n" ); document.write( "t=d/r \n" ); document.write( "t=90/60 \n" ); document.write( "t=3/2 hours \n" ); document.write( "= 1.5 hours \n" ); document.write( "...\r \n" ); document.write( "\n" ); document.write( "speed = 30mph \n" ); document.write( "distance = 60 miles \n" ); document.write( ".. \n" ); document.write( "t=d/r \n" ); document.write( "t=60/30 \n" ); document.write( "t=2 hours. \n" ); document.write( "... \n" ); document.write( "Total time = 1.5 hours + 2 hours \n" ); document.write( "Total time = 3.5 hours. \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |