document.write( "Question 225694: linda and dave leave simultaneously from the same starting point biking in opposite directions..linda bikes at 5 miles per hour and dave bikes at 8 miles per hour...how long will it be until they are 20 miles apart from each other? \n" ); document.write( "
Algebra.Com's Answer #168313 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
moving apart at 13 mph
\n" ); document.write( "t=D/r
\n" ); document.write( "t=20/13
\n" ); document.write( "t=1 hr 32.5 min
\n" ); document.write( "
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