Question
Risa places 3 chairs an equal distance from one another. The distance between the 1st chair and the 3rd chair is 122 cm. If Risa 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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Risa places 3 chairs an equal distance from one another. The distance between the 1st chair and the 3rd chair is 122 cm. If Risa adds 7 more chairs that are equal distance apart, what would be the distance between the 1st chair and the 10th chair?