document.write( "Question 890606: three bikers,allan,anton, and alex starts at the same spot.allan can complete a whole round in 50 mins,anton in 48 mins,and alex in 36 mins.if they all start at 3 in the afternoon at what time will they be on the same spot again? \n" ); document.write( "
Algebra.Com's Answer #539121 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! three bikers,allan,anton, and alex starts at the same spot. \n" ); document.write( "allan can complete a whole round in 50 mins, \n" ); document.write( "anton in 48 mins,and \n" ); document.write( "alex in 36 mins. \n" ); document.write( "If they all start at 3 in the afternoon at what time will they be on the same spot again? \n" ); document.write( ": \n" ); document.write( "Find the least common multiple of 50, 48, 36 \n" ); document.write( "Prime factors \n" ); document.write( "50: 2 * 5 * 5 \n" ); document.write( "48: 2 * 2 * 2 * 2 * 3 \n" ); document.write( "36: 2 * 2 * 3 * 3 \n" ); document.write( ": \n" ); document.write( "LCM = 2 * 2 * 2 * 2 * 3 * 3 * 5 * 5 = 3600 min, 3600/60 = 60 hrs which is 2.5 days \n" ); document.write( "The will all be at the same spot at 3 AM (2.5 days later) \n" ); document.write( " |