document.write( "Question 959772: Carlos lives 500 meters away from his friend’s home. He starts to sprint to his friend’s home at a speed of 10 m/s for 10 seconds then slows to 4 m/s for 90 seconds. What is his average speed? \n" ); document.write( "
Algebra.Com's Answer #586586 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
He sprints (10sec)*(10m/s)=100 meters at 10 m/s and
\n" ); document.write( "(90sec)*(4m/s)=360 meters at 4 m/s for a total of
\n" ); document.write( "460 meters in 100 seconds so his average rate was:
\n" ); document.write( "460 m/100 sec=4.6 m/s
\n" ); document.write( "ANSWER: His average rate was 4.6 meters per second
\n" ); document.write( "
\n" );