The average (arithmetic mean) of the 5 positive integers k, m, r, s, and t is 16, and k < m < r < s < t. If t is 40, what is the greatest possible value of the median of the 5 integers?
16
18
19
20
22
登录 或 注册 后可以参加讨论
扫描二维码，直接登录
start form C upwards
(K+M+R+S+T)/5=16
K+M+R+S+T=80
K+M+R+S+40=80
1+2+18+19+40=80
登录 或 注册 后可以参加讨论