document.write( "Question 979928: A triathlon includes a .5 km swim, 40 km bike, and a 10 km run. Mr. B completed the swim in 25 minutes and 10 seconds, and the bike ride in 1 hour, 30 minutes, and 50 seconds. If he wants to equal the triathlon record of 2 hours and 46 minutes, how fast must Mr. B run in meters per second? \n" ); document.write( "
Algebra.Com's Answer #601354 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A triathlon includes a .5 km swim, 40 km bike, and a 10 km run. \n" ); document.write( " Mr. B completed the swim in 25 minutes and 10 seconds, \n" ); document.write( " and the bike ride in 1 hour, 30 minutes, and 50 seconds. \n" ); document.write( " If he wants to equal the triathlon record of 2 hours and 46 minutes, how fast must Mr. B run in meters per second? \n" ); document.write( ": \n" ); document.write( "Find the total for the first two events \n" ); document.write( "0h 25' 10\" \n" ); document.write( "1h 30' 50\" \n" ); document.write( "----------- \n" ); document.write( "1h 55' 60\" which is 1h 56 min \n" ); document.write( ": \n" ); document.write( "Find the time allotted to the run \n" ); document.write( "2h 46\" > 1h 106\" \n" ); document.write( "1h 56\" > 1h 56\" \n" ); document.write( "---------------- \n" ); document.write( "50 min for the run \n" ); document.write( ": \n" ); document.write( "\"how fast must Mr. B run in meters per second?\" \n" ); document.write( "50 * 60 = 3000 seconds, and 10*1000 = 10000 meters \n" ); document.write( "speed = dist/time \n" ); document.write( "s = 10000/3000 \n" ); document.write( "s = 3 |