document.write( "Question 697547: Four boys step off from the same place.If their steps measure 16cm, 28cm40cm and 77cm respectively,at what distance from the starting point will they again steo together \n" ); document.write( "
Algebra.Com's Answer #430116 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Four boys step off from the same place.If their steps measure 16cm, 28cm 40cm and 77cm respectively, \n" ); document.write( "at what distance from the starting point will they again step together? \n" ); document.write( ": \n" ); document.write( "Prime factor each value \n" ); document.write( "16: 2*2*2*2 \n" ); document.write( "28: 2*2*7 \n" ); document.write( "40: 2*2*2*5 \n" ); document.write( "77: 7*11 \n" ); document.write( ": \n" ); document.write( "Least common multiple 2*2*2*2*5*7*11 = 6160 cm they should be in step again \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "AT that time: \n" ); document.write( " 1st boy will take: 385 steps \n" ); document.write( " 2nd boy will take: 220 steps \n" ); document.write( " 3rd boy will take: 154 steps \n" ); document.write( " 4th boy will take: 80 steps \n" ); document.write( " |