Question

In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and

90 cm respectively. What is the minimum distance each should walk so that all can cover the

same distance in complete steps? What are the benefits of morning walk?​

Answer 1

Answer:

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Answer 2

Answer:

This is an example using LCM which means Lowest Common Multiple

Step-by-step explanation:

80, 85 and 90

let us first find factors of these numbers

80 = 8 x 2 x 5

85 = 17 x 5

90 = 9 x 2 x 5

common factors will get cancelled and be used only once

LCM = 17 x 2 x 5 x 9 x 8 = 12240

hence all three persons will have to walk 12240 cm to complete same distance in complete steps.

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