document.write( "Question 720606: By using an appropriate average find out the average rate of motion in the case of a person who rides the first mile at the rate of 10 miles per hour, the next mile at the rate of 8 miles per hour and the third at the rate of 6 miles per hour. \n" ); document.write( "

Algebra.Com's Answer #441906 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Average speed is always ( total distance / total time )
\n" ); document.write( "Total distance = $\"+3+\"$ mi
\n" ); document.write( "--------------
\n" ); document.write( " $\"+t%5B1%5D+=+1%2F10+\"$
\n" ); document.write( " $\"+t%5B2%5D+=+1%2F8+\"$
\n" ); document.write( " $\"+t%5B3%5D+=+1%2F6+\"$
\n" ); document.write( "--------------
\n" ); document.write( "Ave speed = $\"+3+%2F+%28+1%2F10+%2B+1%2F8+%2B+1%2F6+%29+\"$
\n" ); document.write( "Ave speed = $\"+3+%2F++%28+24%2F240+%2B+30%2F240+%2B+40%2F240+%29+\"$
\n" ); document.write( "Ave speed = $\"+3+%2F+%28+94%2F240+%29+\"$
\n" ); document.write( "Ave speed = $\"+%28+3%2A240+%29+%2F+94+\"$
\n" ); document.write( "Ave speed = $\"+7.6596+\"$ mi/hr
\n" ); document.write( "check:
\n" ); document.write( " $\"+3+%2F+%28+.1+%2B+.125+%2B+.16667+%29+\"$
\n" ); document.write( " $\"+3+%2F+.39167++=+7.6595+\"$
\n" ); document.write( "close enough\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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