Question
Tiffany places 3 desks an equal distance from one another. The distance between the 1st desk and the 3rd desk is 126 cm. If Tiffany adds 7 more desks that are equal distance apart, what would be the distance between the 1st desk and the 10th desk?
4 m

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Tiffany places 3 desks an equal distance from one another. The distance between the 1st desk and the 3rd desk is 126 cm. If Tiffany adds 7 more desks that are equal distance apart, what would be the distance between the 1st desk and the 10th desk?