document.write( "Question 278412: Using application of rational expressions?\r
\n" ); document.write( "\n" ); document.write( "I can run 5 miles in 1 hour. I used to run 5 miles in 1 hour 30 minutes. How shorter was the time to run in 5 miles in 1 hour? \r
\n" ); document.write( "\n" ); document.write( "5 miles = 1 hour
\n" ); document.write( "5 miles = 1 hour 30 minutes
\n" ); document.write( "average miles/time = 5+5(60+90)
\n" ); document.write( "= 10/90
\n" ); document.write( "=1/9 miles/minute
\n" ); document.write( "=1/9 * 60
\n" ); document.write( "= 60/90 miles per hour\r
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Algebra.Com's Answer #202588 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1 hr 30 min=90
\n" ); document.write( "1 hr=60
\n" ); document.write( "90-60=30 minutes shorter
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