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There are 9 book on the shelf. 9 are blue and the rest are green. How many books are green?

User Jiyoun
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2 Answers

6 votes
If there are a total of 9 books on a shelf and 9 are blue then that means none of them are green. 9-9=0
User Patryk Imosa
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2 votes
The answer is 0 nine minus nine is 0
User MrByte
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