In January, Mr Tan's students read 20 books. In Febuary, they read 15 books. What is the percent increase or decrease in the num
ber of books they read?
A. 5% decrease
B. 15% increase
C. 25% increase
D. 25% decrease
1 answer:
25% decrease because if you multiply 20x.25 you get 5 and you minus the 5 from 20 books and you get 15 books
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