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)\"\" \"About 
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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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\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
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\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.
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\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
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