8. In a walking competition, three persons step
off together. Their steps measure 85 cm, 90 cm
and 80 cm respectively. At what distance from
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Answer:
Hope this is correct because did not give the full question
Step-by-step explanation:
Prime factorisation of a natural number is unique.
80= 2 × 2 × 2 × 2 × 5
85 = 5 × 17
90 = 2 × 3 × 3 × 5
LCM of 80,85 and 90 =2 ×2 × 2 × 2 × 3 × 3 × 5 × 17 = 12240
Minimum distance each should walk so that they can cover the distance in complete
steps = 12240 cm = 122.4 m
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