document.write( "Question 300788: If a motorcycle driver travels 40 miles at m miles per hour and then 50 miles at m + 10 miles per hour, find the average speed. \n" ); document.write( "

Algebra.Com's Answer #215764 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Rate*Time=Distance
\n" ); document.write( " $\"m%2At1=40\"$
\n" ); document.write( " $\"%28m%2B10%29%2At2=50\"$
\n" ); document.write( "Total distance traveled= $\"40%2B50=90\"$
\n" ); document.write( "Total time taken to travel= $\"t1%2Bt2=40%2Fm%2B50%2F%28m%2B10%29=%2840%28m%2B10%29%2B50%28m%29%29%2F%28m%28m%2B10%29%29\"$
\n" ); document.write( " $\"t1%2Bt2=%2840m%2B400%2B50m%29%2F%28m%28m%2B10%29%29\"$
\n" ); document.write( " $\"t1%2Bt2=%2890m%2B400%29%2F%28m%28m%2B10%29%29\"$
\n" ); document.write( "Average Speed=Total Distance/Total Time
\n" ); document.write( "Average Speed= $\"90%2F%28%2890m%2B400%29%2F%28m%28m%2B1%29%29%29\"$
\n" ); document.write( "Average Speed= $\"90m%28m%2B10%29%2F%2890m%2B400%29\"$
\n" ); document.write( " \n" ); document.write( "

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