document.write( "Question 899021: a plane flies east at 210km/h for 3 hours, then turns around and flies west at 170km/h for 2 hours.... find the average velocity and average speed? \n" ); document.write( "
Algebra.Com's Answer #545189 by josgarithmetic(39630)\"\" \"About 
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VELOCITY, uses distance \"210-170=40\" kilometers; for a time of \"3%2B2=5\" hours. This velocity is \"40%2F5=8\" kilometers per hour EASTWARD.\r
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\n" ); document.write( "\n" ); document.write( "SPEED does not account for direction.
\n" ); document.write( "Average Speed, \"%28210%2A3%2B170%2A2%29%2F5\"
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