Uploaded October 2017 | Updated September 2026, 7 hours ago

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Jess needs 200 pieces of ribbons of 110 cm each to decorate a room for a party. The ribbons are sold in 25m rolls. What is the minimum number of rolls that Jess needs to buy?

If you think the answer's 9, think again.
We buy a lifetime's worth of ribbons and find out the answer once and for all.

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