Количество учеников =6+2+4+3+6+4=25
25 учеников = 100%
4 ученика = х%
25/4=100%/х%
25х=400
х=16%
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Количество учеников =6+2+4+3+6+4=25
25 учеников = 100%
4 ученика = х%
25/4=100%/х%
25х=400
х=16%