document.write( "Question 913587: If a elevator is moving 2.5mph and it takes you 20 seconds to walk 50 ft to the end and back . How fast are you walking \n" ); document.write( "
Algebra.Com's Answer #554596 by Alan3354(69443)\"\" \"About 
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If a elevator is moving 2.5mph and it takes you 20 seconds to walk 50 ft to the end and back . How fast are you walking
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\n" ); document.write( "100 ft round trip/20
\n" ); document.write( "= 5 ft/sec wrt the \"elevator\"
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