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Barry bought 21 stamps from a hobby shop. he gave 3/7 of them to his sister, how many stamps did he have left?

Barry bought 21 stamps from a hobby shop. he gave 3/7 of them to his sister, how many stamps did he have left?
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1 vote
Barry bought 21 stamps from a hobby shop. he gave 3/7 of them to his sister, how many stamps did he have left?

User Jziwenchen
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1 Answer

2 votes
he gave away 9 (20 x (3/7) =9) so 21-9=12
User Denys Pyshniuk
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