document.write( "Question 28958: It took Cindy 2 hours to bike from Abbott to Benson at a constant speed. The return trip took only 1.5 hours because she increased her speed by 6 mph. How far apart are Abott and Benson? How fast did go to get to Benson? How fast did she return? \n" ); document.write( "
Algebra.Com's Answer #15818 by Paul(988)\"\" \"About 
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Let the current speed be x
\n" ); document.write( "Let the return speed be x+6\r
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\n" ); document.write( "\n" ); document.write( "1.5(x+6)=2x
\n" ); document.write( "1.5x+9=2x
\n" ); document.write( "0.5x=9
\n" ); document.write( "x=18\r
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\n" ); document.write( "\n" ); document.write( "18+6=24\r
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\n" ); document.write( "\n" ); document.write( "1.5(18+6)=2(18)
\n" ); document.write( "36=36\r
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\n" ); document.write( "\n" ); document.write( "Hence, she went at 18mph and returned at 24mph and the total distance between is 36 miles.
\n" ); document.write( "Paul.
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