Current location - Training Enrollment Network - Mathematics courses - The problem of the first volume of mathematical statistics in grade six needs to be answered urgently.
The problem of the first volume of mathematical statistics in grade six needs to be answered urgently.
30%+20%+ 15%+25%+22.5%= 1 12.5%

1 12.5*2=225 people.

There may be 25 students in the experimental class and 45 students in the ordinary class.

The answer is specific enough! But I feel that your question lacks several conditions ~