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Norachai was going to sell all of his stamp collection to buy a video game. After selling half of them he changed his mind. He then bought seven more. How many did he start with if he now has 25?
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10 votes
10 votes
Norachai was going to sell all of his stamp

collection to buy a video game. After
selling half of them he changed his mind.
He then bought seven more. How many did
he start with if he now has 25?

User Nnm
by
3.0k points

1 Answer

20 votes
20 votes
subtract by seven, multiply by 2: 25-7=18 x 2=36
User Kigawas
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3.1k points
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