document.write( "Question 252758: The distance between two cities is one hundred miles, and a woman drives from one city to the other at a rate of fifty mph. At what rate must she return if the total travel time is three hours and forty minutes? \n" ); document.write( "
Algebra.Com's Answer #184839 by richwmiller(17219)\"\" \"About 
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So far she has traveled for 2 hours
\n" ); document.write( "50*2=100
\n" ); document.write( "rt=d
\n" ); document.write( "r*5/3=100
\n" ); document.write( "r=100*3/5
\n" ); document.write( "r=60 mph
\n" ); document.write( "60*5/3=100
\n" ); document.write( "5/3=1 2/3=1 hr 40 min
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