Question
Some puffs are displayed an equal distance from one another on a table. The distance between the fifth and the eighth puffs is 30 cm. The distance between the sixth and the last puff is 60 cm. How many puffs are there altogether?
4 m

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Some puffs are displayed an equal distance from one another on a table. The distance between the fifth and the eighth puffs is 30 cm. The distance between the sixth and the last puff is 60 cm. How many puffs are there altogether?