AMC 10 2001 Problem 1

Past Contests AMC 10 AMC 10 - 2001
, ,
1

The median of the list

n, n+3, n+4, n+5, n+6, n+8, n+10, n+12, n+15

is 10 . What is the mean?

Answer Choices
A. 4
B. 6
C. 7
D. 10
E. 11