Question

trong 1 cuoc thi olympic  so nguoi doat huy chuong vang nhieu hon 1/12 so nguoi tham du 4 nguoi so nguoi doat huy chuong bac it hon 1/4 so nguoi con lai la 6 nguoi. so nguoi doat huy chuong dong nhieu hon 1/3 so nguoi khong doat huy chuong vang va bac la 16 nguoi con lai 96 nguoi khong doat huy chuong. hoi trong cuoc thi co bao nhieu nguoi tham du

Answer 1

Giúp minh

Answer 2

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