document.write( "Question 357296: It takes an escalator 20 seconds to move a person from the first floor to the second.If not operating, Jose takes 30 seconds to walk up on the still escalator. If Jose walks while the escalator is moving, how long does it take for him to reach the second floor? \n" ); document.write( "
Algebra.Com's Answer #255173 by edjones(8007)\"\" \"About 
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speed * time = dist
\n" ); document.write( "s=d/t
\n" ); document.write( "=d/20 escalator
\n" ); document.write( "=d/30 to walk up on the still escalator
\n" ); document.write( ".
\n" ); document.write( "s=d/20 + d/30
\n" ); document.write( "=3d/60 + 2d/60
\n" ); document.write( "=5d/60
\n" ); document.write( ".
\n" ); document.write( "t * 5d/60 = d
\n" ); document.write( "t = d * 60/5d
\n" ); document.write( "=12 seconds
\n" ); document.write( ".
\n" ); document.write( "Ed
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