document.write( "Question 981753: How long would someone traveled in one direction 15mph and 35mph back in two hours \n" ); document.write( "
Algebra.Com's Answer #602701 by Alan3354(69443)\"\" \"About 
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How long would someone traveled in one direction 15mph and 35mph back in two hours
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\n" ); document.write( "If you mean how far:
\n" ); document.write( "The average speed of the round trip is
\n" ); document.write( "2*15*35/(15+35) = 1050/50
\n" ); document.write( "= 21 mi/hr
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\n" ); document.write( "21 mi/hr * 2 hr = 42 miles
\n" ); document.write( "--> 21 miles each way.
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