Out of the 40, 40 x 1/10 = <<40*1/10=4>>4 students are absent.

So, 40 - 4 = <<40-4=36>>36 students are present in school.

Out of the 36, 36 x 3/4 = <<36*3/4=27>>27 students are in the classroom.

This means, 36 - 27 = <<36-27=9>>9 students are in the canteen.

# Answer

9
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
There are 40 students in a class. If 1/10 are absent, 3/4 of the students who are present are in the classroom, and the rest are in the canteen, how many students are in the canteen?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
9
There are 40 students in a class. If 1/10 are absent, 3/4 of the students who are present are in the classroom, and the rest are in the canteen, how many students are in the canteen?
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