SOLUTION: 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

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
Answer by ankor@dixie-net.com(22740) (Show Source): 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,
at what distance from the starting point will they again step together?
:
Prime factor each value
16: 2*2*2*2
28: 2*2*7
40: 2*2*2*5
77: 7*11
:
Least common multiple 2*2*2*2*5*7*11 = 6160 cm they should be in step again
:
:
AT that time:
1st boy will take: 385 steps
2nd boy will take: 220 steps
3rd boy will take: 154 steps
4th boy will take: 80 steps
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