document.write( "Question 1023824: Shirley walked a certain distance, then returned along the same route. She walked 10km/h going and returned at 8km/h. How far did she walk if the round trip took 9h? \n" ); document.write( "

Algebra.Com's Answer #639317 by KMST(5328) $\"\"$ $\"About$

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$\"d\"$ = distance walked (one way), in km
\n" ); document.write( " $\"d%2F10\"$ = time (in hours) spent going at $\"10\"$ $\"%22km+%2F+h%22\"$
\n" ); document.write( " $\"d%2F8\"$ = time (in hours) spent returning at $\"8\"$ $\"%22km+%2F+h%22\"$
\n" ); document.write( " $\"4d%2F40%2B5d%2F40=9\"$
\n" ); document.write( " $\"9d%2F40=9\"$
\n" ); document.write( " $\"%289%2F40%29%2Ad=9\"$
\n" ); document.write( " $\"%2840%2F9%29%2A%289%2F40%29%2Ad=%2840%2F9%29%2A9\"$
\n" ); document.write( " $\"highlight%28d=40%29\"$
\n" ); document.write( "Shirley walked 40 km each way. \n" ); document.write( "

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