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Practice problem

Length in Number Line Geometry

By Taylor Evans

Image by Killy Ridols via Wikimedia Commons (Creative Commons 2.0 etc for Commercial Reuse)

Justin is skipping stones at the Allegheny River. Each skip is 6 inches shorter than the hop before it. Justin's first throw sends a stone out 32 inches. If the stone skips 4 times before it sinks, how far did the stone travel in total?

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Type a concept, like “slope” or “photosynthesis”.

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