Question
After Liam had stacked up 12 chairs in the parade square after a function, he noticed 3 things. Firstly, each of the chairs was stacked the same height above the other. Secondly, the foot of the ninth chair was 68 cm above that of the first. Thirdly, the chairs reached a height of 186.4 cm. What is the height of each chair?
4 m

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After Liam had stacked up 12 chairs in the parade square after a function, he noticed 3 things. Firstly, each of the chairs was stacked the same height above the other. Secondly, the foot of the ninth chair was 68 cm above that of the first. Thirdly, the chairs reached a height of 186.4 cm. What is the height of each chair?