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Do you have a question regarding 3rd grade problem solving?
Stue and Alvin wanted to exchange their stamp collection. Stue has a total of 180 stamps with 40 of them duplicate and Alvin has a total of 200 stamps with 50 duplicates. The common stamps which both of them have and are in duplicates is 25. How many stamps can they exchange, considering they exchange all the stamps which are not common to them and are in duplicates. Also find the total number of stamps in single which each one of them will have after the exchange.
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