this post was submitted on 17 Mar 2024
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systems of conguences (reddthat.com)
submitted 1 year ago by cqthca@reddthat.com to c/askmath@lemmings.world
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There are certain things whose number is unknown. If we count them by threes, we have two left over; by fives, we have three left over; and by sevens, two are left over. How many things are there?

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[–] ns1@feddit.uk 1 points 1 year ago

23 fits!