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Mathematics, 13.07.2019 11:30 melodeelathrom

David sold a $1.50 comic book to ronald. having no change for ronalds $5 dollar bill, david got the change at the store. he gave ronald the comic and $3.50. then the store owner told david that the $5 dollir bill was counterfeit. so david gave him five $1 bills. how much money did david make or lose is these transactions?

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