Question

in a morning walk three person step off together their steps measure 80 cm, 85 cm & 90 cm
respectively. What is the minimum distance each should walk so that all can cover the same distance in
complete number of steps.
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Answer 1

Answer:

find the LCM of 80 cm , 85 cm, 90 cm by using the prime factorisation method

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Answer 2

Answer:

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