document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240428>Question 240428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> SOLVE:\r<BR>\n" );
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document.write( "ERIN RIDES HER BIKE AT A CONSTANT SPEED FOR 21 MILES.  SHE THEN RETURNS HOME AT THE SAME SPEED BUT TAKES A DIFFERENT ROUTE.  HER RETURN TRIP TAKES ONE HOUR LONGER AND IS 26 MILES.  FIND HER SPEED. </SPAN>\n" );
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document.write( "ERIN RIDES HER BIKE AT A CONSTANT SPEED FOR 21 MILES. SHE THEN RETURNS HOME AT THE SAME SPEED BUT TAKES A DIFFERENT ROUTE. HER RETURN TRIP TAKES ONE HOUR LONGER AND IS 26 MILES. FIND HER SPEED.<BR>\n" );
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document.write( "1st Leg:<BR>\n" );
document.write( "distance = 21 miles ; rate = x mph ; time = 21/x<BR>\n" );
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document.write( "2nd Leg:<BR>\n" );
document.write( "distance = 26 miles ; rate = x mph ; time = 26/x<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "2nd time - 1st time = 1 hr<BR>\n" );
document.write( "26/x - 21/x = 1<BR>\n" );
document.write( "26 - 21 = x<BR>\n" );
document.write( "x = 5 mph <BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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