document.write( "Question 1053777: An auto travels at a rate of 25.0 km/hr for 4.00 minutes, then at 50.0 km/hr for 8.00 minutes, and finally at 20.0 km/hr for 2.00 minutes. Find the total distance covered in km and the average speed for the complete trip in m/s. \n" ); document.write( "

Algebra.Com's Answer #668983 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+25%2A%284%2F60%29+%2B+50%2A%288%2F60%29+%2B+20%2A%282%2F60%29+\"$
\n" ); document.write( " $\"+100%2F60+%2B+400%2F60+%2B+40%2F60+\"$
\n" ); document.write( " $\"+%28+1%2F60+%29%2A%28+100+%2B+400+%2B++40+%29+\"$
\n" ); document.write( " $\"+540%2F60+=+9+\"$
\n" ); document.write( "The total distance covered is 9 km
\n" ); document.write( "--------------------------------
\n" ); document.write( "Find the total time
\n" ); document.write( " $\"+4%2F60+%2B+8%2F60+%2B+2%2F60+=+14%2F60+\"$
\n" ); document.write( "The average speed is:
\n" ); document.write( " $\"+9+%2F+%28+14%2F60+%29+=+9%2A%28+60%2F14+%29+\"$
\n" ); document.write( " $\"+540%2F14+=+38.57+\"$
\n" ); document.write( "38.57 km/hr
\n" ); document.write( " \n" ); document.write( "

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