A Score of Elves
If a dozen elves can build a gross of toy trains in a fortnight, then how many days will it take a score of elves to build 360 toy trains?
Submitted by Mike Schieffer, Austin, TX
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If a dozen elves can build a gross of toy trains in a fortnight, then how many days will it take a score of elves to build 360 toy trains?
Submitted by Mike Schieffer, Austin, TX
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