Question
Olivia places 4 chairs an equal distance from one another. The distance between the 1st chair and the 4th chair is 123 cm. If Olivia adds 7 more chairs that are equal distance apart, what would be the distance between the 1st chair and the 11th chair?
4 m

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Olivia places 4 chairs an equal distance from one another. The distance between the 1st chair and the 4th chair is 123 cm. If Olivia adds 7 more chairs that are equal distance apart, what would be the distance between the 1st chair and the 11th chair?