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In January, Mr Tan's students read 20 books. In Febuary, they read 15 books. What is the percent increase or decrease in the number of books they read? A. 5% decrease B. 15% increase C. 25% increase D.
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25 votes
In January, Mr Tan's students read 20 books. In Febuary, they read 15 books. What is the percent increase or decrease in the number of books they read?

A. 5% decrease
B. 15% increase
C. 25% increase
D. 25% decrease​

User Ben Farmer
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1 Answer

12 votes
25% decrease because if you multiply 20x.25 you get 5 and you minus the 5 from 20 books and you get 15 books
User Serhii Bohutskyi
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