document.write( "Question 1152023: A woman can hike 4mph faster down a trail to Archuletta Lake than she can on the return trip uphill. It takes her 4hr to get to the lake and 6hr to return. What is her speed hiking down to the lake? \n" ); document.write( "

Algebra.Com's Answer #773911 by josgarithmetic(39617) $\"\"$ $\"About$

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d, the same distance both ways
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document.write( "                  SPEED         TIME       DISTANCE\r\n" );
document.write( "Down to Lake       r             4           d\r\n" );
document.write( "Up to Return       r-4           6           d\r\n" );
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\n" ); document.write( " $\"%28r%29%284%29=%28r-4%29%286%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"4r=6%28r-4%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4r=6r-24\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2r=3r-12\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"r=12\"$ \n" ); document.write( "

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