体重状况
体重指数
人数
消瘦
x<18.5
22
正常
18.5≤x≤23.9
45
超重
23.9<x≤26.9
28
肥胖
x>26.9
5
已知该校七年级有800名学生,那么估计体重状况属于正常的有____人.
Tom has to go to school every day because his parents are too busy to take him to school.