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in June, Mr.Chen's class read 40 books, in July they read 30 books what is the percent increase or decrease in the number of books they have read.
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in June, Mr.Chen's class read 40 books, in July they read 30 books what is the percent increase or decrease in the number of books they have read.

User Cedric Hadjian
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2 Answers

3 votes

Answer:

25%

Explanation:

User Sergey Tselovalnikov
by
8.4k points
4 votes
The percent decrease is 25%
User Merline
by
8.2k points
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