Question

Look at the image and answer

Answer 1

Step-by-step explanation:

first we have to find LCM of 85 cm,90cm and 80 cm.

Now,

85= 5×17

90= 2×3×3×5= 2×3²×5

80= 2×2×2×2×5= 2⁴×5

LCM is 12240.

They again step off together at 12240m distance.

Please mark my answer as brainliest..