Garage Sale Riddle

GPTKB entity

Statements (9)
Predicate Object
gptkbp:instanceOf gptkb:puzzle
gptkbp:alsoKnownAs I have a garage sale. A man buys a painting for $10, sells it for $20, buys it back for $30, and sells it again for $40. How much did he make or lose?
gptkbp:category gptkb:puzzle
math riddle
gptkbp:explains He gained $10 in the first transaction, lost $10 in the second, and gained $10 in the third, for a net profit of $20.
https://www.w3.org/2000/01/rdf-schema#label Garage Sale Riddle
gptkbp:solvedBy The man made $20 profit.
gptkbp:bfsParent gptkb:Suzi_Weinert
gptkbp:bfsLayer 8