Question
Xuan places 3 chairs an equal distance from one another. The distance between the 1st chair and the 3rd chair is 108 cm. If Xuan adds 7 more chairs that are equal distance apart, what would be the distance between the 1st chair and the 10th chair?
4 m

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Xuan places 3 chairs an equal distance from one another. The distance between the 1st chair and the 3rd chair is 108 cm. If Xuan adds 7 more chairs that are equal distance apart, what would be the distance between the 1st chair and the 10th chair?