document.write( "Question 570853: a woman jogs 2 km at 8km/h and then walks for 2 km at 6 km/h. what is her average speed for entire trip? \n" ); document.write( "

Algebra.Com's Answer #367803 by josmiceli(19441) $\"\"$ $\"About$

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average speed = ( distance traveled ) / ( time to travel the distance )
\n" ); document.write( "given:
\n" ); document.write( " $\"+t%5B1%5D+=+2%2F8+\"$
\n" ); document.write( " $\"+t%5B1%5D+=+1%2F4+\"$ hr
\n" ); document.write( "and
\n" ); document.write( " $\"+t%5B2%5D+=+2%2F6+\"$
\n" ); document.write( " $\"+t%5B2%5D+=+1%2F3+\"$ hr
\n" ); document.write( "-----------
\n" ); document.write( "Ave speed = $\"+%28+2+%2B+2+%29+%2F+%28+1%2F4+%2B+1%2F3+%29+\"$
\n" ); document.write( " $\"+4+%2F+%28+3%2F12+%2B+4%2F12+%29+\"$
\n" ); document.write( " $\"+4+%2F+%287%2F12%29+\"$
\n" ); document.write( " $\"+4%2A%2812%2F7%29+\"$
\n" ); document.write( " $\"+48%2F7+\"$
\n" ); document.write( " $\"+6.857+\"$ km/hr \n" ); document.write( "

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