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John waa going to sell all of his stamp collection to buy a video game . after selling half to them he changed his mind he then bought fifteen more. How many did he start with if…

John waa going to sell all of his stamp collection to buy a video game . after selling half to them he changed his mind he then bought fifteen more. How many did he start with if…
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John waa going to sell all of his stamp collection to buy a video game . after selling half to them he changed his mind he then bought fifteen more. How many did he start with if he now has 30

User RedDwarfian
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1 Answer

4 votes

Answer: 30

Step-by-step explanation: 15 x 2 = 30-15 = 15+15=30

User Tarek Hemdan
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