Question

In a morning walk three person step together the step measure 75 cm,80 cm and 90 cm Respectively. At what distance from the starting point they will again step off together?

*( if any one help answer me then i will mark his/her as a Brainlest )*​

Answer 1

Step-by-step explanation:

LCM of 75cm , 80cm, and 90cm =

Prime factorisation of :

75 = 3×5×5

80 = 2×2×2×2×5

90 = 2×3×3×5

LCM = (2×2×2×2×3×3×5×5)

= 3600

So they will meet again at 3600cm or (=36m) from the starting point